1555181012

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:478

約数の個数: 144

約数和(自身を含む): 3694190976

約数和(自身を除く): 2139009964

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 49, 68, 77, 98, 119, 151, 154, 187, 196, 238, 281, 302, 308, 374, 476, 539, 562, 604, 748, 833, 1057, 1078, 1124, 1309, 1661, 1666, 1967, 2114, 2156, 2567, 2618, 3091, 3322, 3332, 3934, 4228, 4777, 5134, 5236, 6182, 6644, 7399, 7868, 9163, 9554, 10268, 11627, 12364, 13769, 14798, 17969, 18326, 19108, 21637, 23254, 27538, 28237, 29596, 33439, 35938, 36652, 42431, 43274, 46508, 52547, 55076, 56474, 66878, 71876, 81389, 84862, 86548, 105094, 112948, 125783, 133756, 151459, 162778, 169724, 197659, 210188, 234073, 251566, 297017, 302918, 325556, 367829, 395318, 466741, 468146, 503132, 594034, 605836, 721327, 735658, 790636, 933482, 936292, 1188068, 1383613, 1442654, 1471316, 1866964, 2079119, 2574803, 2767226, 2885308, 3267187, 4158238, 5049289, 5149606, 5534452, 6534374, 7934597, 8316476, 10098578, 10299212, 13068748, 15869194, 20197156, 22870309, 31738388, 35345023, 45740618, 55542179, 70690046, 91481236, 111084358, 141380092, 222168716, 388795253, 777590506, 1555181012]

約数ペア:

[(1, 1555181012), (2, 777590506), (4, 388795253), (7, 222168716), (11, 141380092), (14, 111084358), (17, 91481236), (22, 70690046), (28, 55542179), (34, 45740618), (44, 35345023), (49, 31738388), (68, 22870309), (77, 20197156), (98, 15869194), (119, 13068748), (151, 10299212), (154, 10098578), (187, 8316476), (196, 7934597), (238, 6534374), (281, 5534452), (302, 5149606), (308, 5049289), (374, 4158238), (476, 3267187), (539, 2885308), (562, 2767226), (604, 2574803), (748, 2079119), (833, 1866964), (1057, 1471316), (1078, 1442654), (1124, 1383613), (1309, 1188068), (1661, 936292), (1666, 933482), (1967, 790636), (2114, 735658), (2156, 721327), (2567, 605836), (2618, 594034), (3091, 503132), (3322, 468146), (3332, 466741), (3934, 395318), (4228, 367829), (4777, 325556), (5134, 302918), (5236, 297017), (6182, 251566), (6644, 234073), (7399, 210188), (7868, 197659), (9163, 169724), (9554, 162778), (10268, 151459), (11627, 133756), (12364, 125783), (13769, 112948), (14798, 105094), (17969, 86548), (18326, 84862), (19108, 81389), (21637, 71876), (23254, 66878), (27538, 56474), (28237, 55076), (29596, 52547), (33439, 46508), (35938, 43274), (36652, 42431)]