128307712

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{521}}^1$

素因数の和:589

約数の個数: 80

約数和(自身を含む): 284091192

約数和(自身を除く): 155783480

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 52, 64, 74, 104, 128, 148, 208, 256, 296, 416, 481, 512, 521, 592, 832, 962, 1042, 1184, 1664, 1924, 2084, 2368, 3328, 3848, 4168, 4736, 6656, 6773, 7696, 8336, 9472, 13546, 15392, 16672, 18944, 19277, 27092, 30784, 33344, 38554, 54184, 61568, 66688, 77108, 108368, 123136, 133376, 154216, 216736, 246272, 250601, 266752, 308432, 433472, 501202, 616864, 866944, 1002404, 1233728, 1733888, 2004808, 2467456, 3467776, 4009616, 4934912, 8019232, 9869824, 16038464, 32076928, 64153856, 128307712]

約数ペア:

[(1, 128307712), (2, 64153856), (4, 32076928), (8, 16038464), (13, 9869824), (16, 8019232), (26, 4934912), (32, 4009616), (37, 3467776), (52, 2467456), (64, 2004808), (74, 1733888), (104, 1233728), (128, 1002404), (148, 866944), (208, 616864), (256, 501202), (296, 433472), (416, 308432), (481, 266752), (512, 250601), (521, 246272), (592, 216736), (832, 154216), (962, 133376), (1042, 123136), (1184, 108368), (1664, 77108), (1924, 66688), (2084, 61568), (2368, 54184), (3328, 38554), (3848, 33344), (4168, 30784), (4736, 27092), (6656, 19277), (6773, 18944), (7696, 16672), (8336, 15392), (9472, 13546)]