81593890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7823}}^1$

素因数の和:7986

約数の個数: 32

約数和(自身を含む): 168998400

約数和(自身を除く): 87404510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 7823, 10430, 15646, 39115, 54761, 78230, 109522, 273805, 547610, 1165627, 2331254, 5828135, 8159389, 11656270, 16318778, 40796945, 81593890]

約数ペア:

[(1, 81593890), (2, 40796945), (5, 16318778), (7, 11656270), (10, 8159389), (14, 5828135), (35, 2331254), (70, 1165627), (149, 547610), (298, 273805), (745, 109522), (1043, 78230), (1490, 54761), (2086, 39115), (5215, 15646), (7823, 10430)]