78911690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:567

約数の個数: 64

約数和(自身を含む): 168497280

約数和(自身を除く): 89585590

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 139, 143, 278, 286, 397, 695, 715, 794, 1390, 1430, 1529, 1807, 1985, 3058, 3614, 3970, 4367, 5161, 7645, 8734, 9035, 10322, 15290, 18070, 19877, 21835, 25805, 39754, 43670, 51610, 55183, 56771, 99385, 110366, 113542, 198770, 275915, 283855, 551830, 567710, 607013, 717379, 1214026, 1434758, 3035065, 3586895, 6070130, 7173790, 7891169, 15782338, 39455845, 78911690]

約数ペア:

[(1, 78911690), (2, 39455845), (5, 15782338), (10, 7891169), (11, 7173790), (13, 6070130), (22, 3586895), (26, 3035065), (55, 1434758), (65, 1214026), (110, 717379), (130, 607013), (139, 567710), (143, 551830), (278, 283855), (286, 275915), (397, 198770), (695, 113542), (715, 110366), (794, 99385), (1390, 56771), (1430, 55183), (1529, 51610), (1807, 43670), (1985, 39754), (3058, 25805), (3614, 21835), (3970, 19877), (4367, 18070), (5161, 15290), (7645, 10322), (8734, 9035)]