631886978

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{401}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 989537472

約数和(自身を除く): 357650494

約数列:

[1, 2, 43, 73, 86, 146, 251, 401, 502, 802, 3139, 6278, 10793, 17243, 18323, 21586, 29273, 34486, 36646, 58546, 100651, 201302, 787889, 1258739, 1575778, 2517478, 4327993, 7347523, 8655986, 14695046, 315943489, 631886978]

約数ペア:

[(1, 631886978), (2, 315943489), (43, 14695046), (73, 8655986), (86, 7347523), (146, 4327993), (251, 2517478), (401, 1575778), (502, 1258739), (802, 787889), (3139, 201302), (6278, 100651), (10793, 58546), (17243, 36646), (18323, 34486), (21586, 29273)]