81648559696

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{911419}}^1$

素因数の和:911947

約数の個数: 40

約数和(自身を含む): 172914602400

約数和(自身を除く): 91266042704

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 509, 1018, 2036, 4072, 5599, 8144, 11198, 22396, 44792, 89584, 911419, 1822838, 3645676, 7291352, 10025609, 14582704, 20051218, 40102436, 80204872, 160409744, 463912271, 927824542, 1855649084, 3711298168, 5103034981, 7422596336, 10206069962, 20412139924, 40824279848, 81648559696]

約数ペア:

[(1, 81648559696), (2, 40824279848), (4, 20412139924), (8, 10206069962), (11, 7422596336), (16, 5103034981), (22, 3711298168), (44, 1855649084), (88, 927824542), (176, 463912271), (509, 160409744), (1018, 80204872), (2036, 40102436), (4072, 20051218), (5599, 14582704), (8144, 10025609), (11198, 7291352), (22396, 3645676), (44792, 1822838), (89584, 911419)]