16980436

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 34191360

約数和(自身を除く): 17210924

約数列:

[1, 2, 4, 11, 22, 31, 44, 59, 62, 118, 124, 211, 236, 341, 422, 649, 682, 844, 1298, 1364, 1829, 2321, 2596, 3658, 4642, 6541, 7316, 9284, 12449, 13082, 20119, 24898, 26164, 40238, 49796, 71951, 80476, 136939, 143902, 273878, 287804, 385919, 547756, 771838, 1543676, 4245109, 8490218, 16980436]

約数ペア:

[(1, 16980436), (2, 8490218), (4, 4245109), (11, 1543676), (22, 771838), (31, 547756), (44, 385919), (59, 287804), (62, 273878), (118, 143902), (124, 136939), (211, 80476), (236, 71951), (341, 49796), (422, 40238), (649, 26164), (682, 24898), (844, 20119), (1298, 13082), (1364, 12449), (1829, 9284), (2321, 7316), (2596, 6541), (3658, 4642)]