221978638

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{2659}}^1$

素因数の和:2824

約数の個数: 32

約数和(自身を含む): 390700800

約数和(自身を除く): 168722162

約数列:

[1, 2, 7, 14, 67, 89, 134, 178, 469, 623, 938, 1246, 2659, 5318, 5963, 11926, 18613, 37226, 41741, 83482, 178153, 236651, 356306, 473302, 1247071, 1656557, 2494142, 3313114, 15855617, 31711234, 110989319, 221978638]

約数ペア:

[(1, 221978638), (2, 110989319), (7, 31711234), (14, 15855617), (67, 3313114), (89, 2494142), (134, 1656557), (178, 1247071), (469, 473302), (623, 356306), (938, 236651), (1246, 178153), (2659, 83482), (5318, 41741), (5963, 37226), (11926, 18613)]