201989986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{2621}}^1$

素因数の和:2778

約数の個数: 32

約数和(自身を含む): 344342016

約数和(自身を除く): 142352030

約数列:

[1, 2, 11, 22, 31, 62, 113, 226, 341, 682, 1243, 2486, 2621, 3503, 5242, 7006, 28831, 38533, 57662, 77066, 81251, 162502, 296173, 592346, 893761, 1787522, 3257903, 6515806, 9181363, 18362726, 100994993, 201989986]

約数ペア:

[(1, 201989986), (2, 100994993), (11, 18362726), (22, 9181363), (31, 6515806), (62, 3257903), (113, 1787522), (226, 893761), (341, 592346), (682, 296173), (1243, 162502), (2486, 81251), (2621, 77066), (3503, 57662), (5242, 38533), (7006, 28831)]