81361548

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{277}}^1$

素因数の和:527

約数の個数: 72

約数和(自身を含む): 212503200

約数和(自身を除く): 131141652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 199, 246, 277, 369, 398, 492, 554, 597, 738, 796, 831, 1108, 1194, 1476, 1662, 1791, 2388, 2493, 3324, 3582, 4986, 7164, 8159, 9972, 11357, 16318, 22714, 24477, 32636, 34071, 45428, 48954, 55123, 68142, 73431, 97908, 102213, 110246, 136284, 146862, 165369, 204426, 220492, 293724, 330738, 408852, 496107, 661476, 992214, 1984428, 2260043, 4520086, 6780129, 9040172, 13560258, 20340387, 27120516, 40680774, 81361548]

約数ペア:

[(1, 81361548), (2, 40680774), (3, 27120516), (4, 20340387), (6, 13560258), (9, 9040172), (12, 6780129), (18, 4520086), (36, 2260043), (41, 1984428), (82, 992214), (123, 661476), (164, 496107), (199, 408852), (246, 330738), (277, 293724), (369, 220492), (398, 204426), (492, 165369), (554, 146862), (597, 136284), (738, 110246), (796, 102213), (831, 97908), (1108, 73431), (1194, 68142), (1476, 55123), (1662, 48954), (1791, 45428), (2388, 34071), (2493, 32636), (3324, 24477), (3582, 22714), (4986, 16318), (7164, 11357), (8159, 9972)]