216915790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{238369}}^1$

素因数の和:238396

約数の個数: 32

約数和(自身を含む): 480553920

約数和(自身を除く): 263638130

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 238369, 476738, 1191845, 1668583, 2383690, 3098797, 3337166, 6197594, 8342915, 15493985, 16685830, 21691579, 30987970, 43383158, 108457895, 216915790]

約数ペア:

[(1, 216915790), (2, 108457895), (5, 43383158), (7, 30987970), (10, 21691579), (13, 16685830), (14, 15493985), (26, 8342915), (35, 6197594), (65, 3337166), (70, 3098797), (91, 2383690), (130, 1668583), (182, 1191845), (455, 476738), (910, 238369)]