81521630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 160866000

約数和(自身を除く): 79344370

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 499, 527, 961, 998, 1054, 1922, 2495, 2635, 4805, 4990, 5270, 8483, 9610, 15469, 16337, 16966, 30938, 32674, 42415, 77345, 81685, 84830, 154690, 163370, 262973, 479539, 525946, 959078, 1314865, 2397695, 2629730, 4795390, 8152163, 16304326, 40760815, 81521630]

約数ペア:

[(1, 81521630), (2, 40760815), (5, 16304326), (10, 8152163), (17, 4795390), (31, 2629730), (34, 2397695), (62, 1314865), (85, 959078), (155, 525946), (170, 479539), (310, 262973), (499, 163370), (527, 154690), (961, 84830), (998, 81685), (1054, 77345), (1922, 42415), (2495, 32674), (2635, 30938), (4805, 16966), (4990, 16337), (5270, 15469), (8483, 9610)]