81430370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8369}}^1$

素因数の和:8522

約数の個数: 32

約数和(自身を含む): 168739200

約数和(自身を除く): 87308830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 4865, 8369, 9730, 16738, 41845, 58583, 83690, 117166, 292915, 585830, 1163291, 2326582, 5816455, 8143037, 11632910, 16286074, 40715185, 81430370]

約数ペア:

[(1, 81430370), (2, 40715185), (5, 16286074), (7, 11632910), (10, 8143037), (14, 5816455), (35, 2326582), (70, 1163291), (139, 585830), (278, 292915), (695, 117166), (973, 83690), (1390, 58583), (1946, 41845), (4865, 16738), (8369, 9730)]