678182428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:476

約数の個数: 144

約数和(自身を含む): 1658684160

約数和(自身を除く): 980501732

約数列:

[1, 2, 4, 7, 11, 14, 17, 19, 22, 28, 34, 38, 44, 68, 76, 77, 119, 133, 154, 187, 209, 238, 266, 289, 308, 323, 374, 401, 418, 476, 532, 578, 646, 748, 802, 836, 1156, 1292, 1309, 1463, 1604, 2023, 2261, 2618, 2807, 2926, 3179, 3553, 4046, 4411, 4522, 5236, 5491, 5614, 5852, 6358, 6817, 7106, 7619, 8092, 8822, 9044, 10982, 11228, 12716, 13634, 14212, 15238, 17644, 21964, 22253, 24871, 27268, 30476, 30877, 38437, 44506, 47719, 49742, 53333, 60401, 61754, 74987, 76874, 83809, 89012, 95438, 99484, 106666, 115889, 120802, 123508, 129523, 149974, 153748, 167618, 190876, 213332, 231778, 241604, 259046, 299948, 335236, 422807, 463556, 518092, 524909, 586663, 811223, 845614, 906661, 1049818, 1173326, 1274779, 1424753, 1622446, 1691228, 1813322, 2099636, 2201891, 2346652, 2549558, 2849506, 3244892, 3626644, 4403782, 5099116, 5699012, 8807564, 8923453, 9973271, 15413237, 17846906, 19946542, 24220801, 30826474, 35693812, 39893084, 48441602, 61652948, 96883204, 169545607, 339091214, 678182428]

約数ペア:

[(1, 678182428), (2, 339091214), (4, 169545607), (7, 96883204), (11, 61652948), (14, 48441602), (17, 39893084), (19, 35693812), (22, 30826474), (28, 24220801), (34, 19946542), (38, 17846906), (44, 15413237), (68, 9973271), (76, 8923453), (77, 8807564), (119, 5699012), (133, 5099116), (154, 4403782), (187, 3626644), (209, 3244892), (238, 2849506), (266, 2549558), (289, 2346652), (308, 2201891), (323, 2099636), (374, 1813322), (401, 1691228), (418, 1622446), (476, 1424753), (532, 1274779), (578, 1173326), (646, 1049818), (748, 906661), (802, 845614), (836, 811223), (1156, 586663), (1292, 524909), (1309, 518092), (1463, 463556), (1604, 422807), (2023, 335236), (2261, 299948), (2618, 259046), (2807, 241604), (2926, 231778), (3179, 213332), (3553, 190876), (4046, 167618), (4411, 153748), (4522, 149974), (5236, 129523), (5491, 123508), (5614, 120802), (5852, 115889), (6358, 106666), (6817, 99484), (7106, 95438), (7619, 89012), (8092, 83809), (8822, 76874), (9044, 74987), (10982, 61754), (11228, 60401), (12716, 53333), (13634, 49742), (14212, 47719), (15238, 44506), (17644, 38437), (21964, 30877), (22253, 30476), (24871, 27268)]