28279290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1311

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 46111110

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 59, 65, 78, 118, 130, 177, 195, 295, 354, 390, 590, 767, 885, 1229, 1534, 1770, 2301, 2458, 3687, 3835, 4602, 6145, 7374, 7670, 11505, 12290, 15977, 18435, 23010, 31954, 36870, 47931, 72511, 79885, 95862, 145022, 159770, 217533, 239655, 362555, 435066, 479310, 725110, 942643, 1087665, 1885286, 2175330, 2827929, 4713215, 5655858, 9426430, 14139645, 28279290]

約数ペア:

[(1, 28279290), (2, 14139645), (3, 9426430), (5, 5655858), (6, 4713215), (10, 2827929), (13, 2175330), (15, 1885286), (26, 1087665), (30, 942643), (39, 725110), (59, 479310), (65, 435066), (78, 362555), (118, 239655), (130, 217533), (177, 159770), (195, 145022), (295, 95862), (354, 79885), (390, 72511), (590, 47931), (767, 36870), (885, 31954), (1229, 23010), (1534, 18435), (1770, 15977), (2301, 12290), (2458, 11505), (3687, 7670), (3835, 7374), (4602, 6145)]