81940872

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1451}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 221981760

約数和(自身を除く): 140040888

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 181, 312, 362, 543, 724, 1086, 1448, 1451, 2172, 2353, 2902, 4344, 4353, 4706, 5804, 7059, 8706, 9412, 11608, 14118, 17412, 18824, 18863, 28236, 34824, 37726, 56472, 56589, 75452, 113178, 150904, 226356, 262631, 452712, 525262, 787893, 1050524, 1575786, 2101048, 3151572, 3414203, 6303144, 6828406, 10242609, 13656812, 20485218, 27313624, 40970436, 81940872]

約数ペア:

[(1, 81940872), (2, 40970436), (3, 27313624), (4, 20485218), (6, 13656812), (8, 10242609), (12, 6828406), (13, 6303144), (24, 3414203), (26, 3151572), (39, 2101048), (52, 1575786), (78, 1050524), (104, 787893), (156, 525262), (181, 452712), (312, 262631), (362, 226356), (543, 150904), (724, 113178), (1086, 75452), (1448, 56589), (1451, 56472), (2172, 37726), (2353, 34824), (2902, 28236), (4344, 18863), (4353, 18824), (4706, 17412), (5804, 14118), (7059, 11608), (8706, 9412)]