209219714

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{587}}^1\times {\mathrm{953}}^1$

素因数の和:1570

約数の個数: 32

約数和(自身を含む): 363496896

約数和(自身を除く): 154277182

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 587, 953, 1174, 1906, 6457, 9979, 10483, 12914, 16201, 19958, 20966, 32402, 109769, 178211, 219538, 356422, 559411, 1118822, 6153521, 9509987, 12307042, 19019974, 104609857, 209219714]

約数ペア:

[(1, 209219714), (2, 104609857), (11, 19019974), (17, 12307042), (22, 9509987), (34, 6153521), (187, 1118822), (374, 559411), (587, 356422), (953, 219538), (1174, 178211), (1906, 109769), (6457, 32402), (9979, 20966), (10483, 19958), (12914, 16201)]