72171110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1289}}^1$

素因数の和:1816

約数の個数: 32

約数和(自身を含む): 142106400

約数和(自身を除く): 69935290

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 509, 1018, 1289, 2545, 2578, 5090, 5599, 6445, 11198, 12890, 14179, 27995, 28358, 55990, 70895, 141790, 656101, 1312202, 3280505, 6561010, 7217111, 14434222, 36085555, 72171110]

約数ペア:

[(1, 72171110), (2, 36085555), (5, 14434222), (10, 7217111), (11, 6561010), (22, 3280505), (55, 1312202), (110, 656101), (509, 141790), (1018, 70895), (1289, 55990), (2545, 28358), (2578, 27995), (5090, 14179), (5599, 12890), (6445, 11198)]