81998030

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{587}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 150927840

約数和(自身を除く): 68929810

約数列:

[1, 2, 5, 10, 61, 122, 229, 305, 458, 587, 610, 1145, 1174, 2290, 2935, 5870, 13969, 27938, 35807, 69845, 71614, 134423, 139690, 179035, 268846, 358070, 672115, 1344230, 8199803, 16399606, 40999015, 81998030]

約数ペア:

[(1, 81998030), (2, 40999015), (5, 16399606), (10, 8199803), (61, 1344230), (122, 672115), (229, 358070), (305, 268846), (458, 179035), (587, 139690), (610, 134423), (1145, 71614), (1174, 69845), (2290, 35807), (2935, 27938), (5870, 13969)]