81932578

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^3\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 162408960

約数和(自身を除く): 80476382

約数列:

[1, 2, 7, 13, 14, 23, 26, 37, 46, 74, 91, 161, 182, 259, 299, 322, 481, 518, 529, 598, 851, 962, 1058, 1702, 2093, 3367, 3703, 4186, 5957, 6734, 6877, 7406, 11063, 11914, 12167, 13754, 19573, 22126, 24334, 39146, 48139, 77441, 85169, 96278, 137011, 154882, 158171, 170338, 254449, 274022, 316342, 450179, 508898, 900358, 1107197, 1781143, 2214394, 3151253, 3562286, 5852327, 6302506, 11704654, 40966289, 81932578]

約数ペア:

[(1, 81932578), (2, 40966289), (7, 11704654), (13, 6302506), (14, 5852327), (23, 3562286), (26, 3151253), (37, 2214394), (46, 1781143), (74, 1107197), (91, 900358), (161, 508898), (182, 450179), (259, 316342), (299, 274022), (322, 254449), (481, 170338), (518, 158171), (529, 154882), (598, 137011), (851, 96278), (962, 85169), (1058, 77441), (1702, 48139), (2093, 39146), (3367, 24334), (3703, 22126), (4186, 19573), (5957, 13754), (6734, 12167), (6877, 11914), (7406, 11063)]