128538904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 299376000

約数和(自身を除く): 170837096

約数列:

[1, 2, 4, 8, 13, 17, 23, 26, 29, 34, 46, 52, 58, 68, 92, 104, 109, 116, 136, 184, 218, 221, 232, 299, 377, 391, 436, 442, 493, 598, 667, 754, 782, 872, 884, 986, 1196, 1334, 1417, 1508, 1564, 1768, 1853, 1972, 2392, 2507, 2668, 2834, 3016, 3128, 3161, 3706, 3944, 5014, 5083, 5336, 5668, 6322, 6409, 7412, 8671, 10028, 10166, 11336, 11339, 12644, 12818, 14824, 17342, 20056, 20332, 22678, 24089, 25288, 25636, 32591, 34684, 40664, 41093, 42619, 45356, 48178, 51272, 53737, 65182, 69368, 72703, 82186, 85238, 90712, 96356, 107474, 130364, 145406, 147407, 164372, 170476, 192712, 214948, 260728, 290812, 294814, 328744, 340952, 429896, 554047, 581624, 589628, 698581, 945139, 1108094, 1179256, 1235951, 1397162, 1890278, 2216188, 2471902, 2794324, 3780556, 4432376, 4943804, 5588648, 7561112, 9887608, 16067363, 32134726, 64269452, 128538904]

約数ペア:

[(1, 128538904), (2, 64269452), (4, 32134726), (8, 16067363), (13, 9887608), (17, 7561112), (23, 5588648), (26, 4943804), (29, 4432376), (34, 3780556), (46, 2794324), (52, 2471902), (58, 2216188), (68, 1890278), (92, 1397162), (104, 1235951), (109, 1179256), (116, 1108094), (136, 945139), (184, 698581), (218, 589628), (221, 581624), (232, 554047), (299, 429896), (377, 340952), (391, 328744), (436, 294814), (442, 290812), (493, 260728), (598, 214948), (667, 192712), (754, 170476), (782, 164372), (872, 147407), (884, 145406), (986, 130364), (1196, 107474), (1334, 96356), (1417, 90712), (1508, 85238), (1564, 82186), (1768, 72703), (1853, 69368), (1972, 65182), (2392, 53737), (2507, 51272), (2668, 48178), (2834, 45356), (3016, 42619), (3128, 41093), (3161, 40664), (3706, 34684), (3944, 32591), (5014, 25636), (5083, 25288), (5336, 24089), (5668, 22678), (6322, 20332), (6409, 20056), (7412, 17342), (8671, 14824), (10028, 12818), (10166, 12644), (11336, 11339)]