215271928

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{503}}^1\times {\mathrm{877}}^1$

素因数の和:1447

約数の個数: 32

約数和(自身を含む): 411536160

約数和(自身を除く): 196264232

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 503, 877, 1006, 1754, 2012, 3508, 4024, 7016, 30683, 53497, 61366, 106994, 122732, 213988, 245464, 427976, 441131, 882262, 1764524, 3529048, 26908991, 53817982, 107635964, 215271928]

約数ペア:

[(1, 215271928), (2, 107635964), (4, 53817982), (8, 26908991), (61, 3529048), (122, 1764524), (244, 882262), (488, 441131), (503, 427976), (877, 245464), (1006, 213988), (1754, 122732), (2012, 106994), (3508, 61366), (4024, 53497), (7016, 30683)]