99803990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1085

約数の個数: 64

約数和(自身を含む): 214244352

約数和(自身を除く): 114440362

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 71, 110, 130, 142, 143, 286, 355, 710, 715, 781, 923, 983, 1430, 1562, 1846, 1966, 3905, 4615, 4915, 7810, 9230, 9830, 10153, 10813, 12779, 20306, 21626, 25558, 50765, 54065, 63895, 69793, 101530, 108130, 127790, 139586, 140569, 281138, 348965, 697930, 702845, 767723, 907309, 1405690, 1535446, 1814618, 3838615, 4536545, 7677230, 9073090, 9980399, 19960798, 49901995, 99803990]

約数ペア:

[(1, 99803990), (2, 49901995), (5, 19960798), (10, 9980399), (11, 9073090), (13, 7677230), (22, 4536545), (26, 3838615), (55, 1814618), (65, 1535446), (71, 1405690), (110, 907309), (130, 767723), (142, 702845), (143, 697930), (286, 348965), (355, 281138), (710, 140569), (715, 139586), (781, 127790), (923, 108130), (983, 101530), (1430, 69793), (1562, 63895), (1846, 54065), (1966, 50765), (3905, 25558), (4615, 21626), (4915, 20306), (7810, 12779), (9230, 10813), (9830, 10153)]