251189042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 448084224

約数和(自身を除く): 196895182

約数列:

[1, 2, 13, 17, 26, 34, 41, 82, 83, 166, 167, 221, 334, 442, 533, 697, 1066, 1079, 1394, 1411, 2158, 2171, 2822, 2839, 3403, 4342, 5678, 6806, 6847, 9061, 13694, 13861, 18122, 18343, 27722, 36686, 36907, 44239, 57851, 73814, 88478, 89011, 115702, 116399, 178022, 180193, 232798, 235637, 360386, 471274, 568301, 752063, 1136602, 1504126, 1513187, 3026374, 3063281, 6126562, 7387913, 9661117, 14775826, 19322234, 125594521, 251189042]

約数ペア:

[(1, 251189042), (2, 125594521), (13, 19322234), (17, 14775826), (26, 9661117), (34, 7387913), (41, 6126562), (82, 3063281), (83, 3026374), (166, 1513187), (167, 1504126), (221, 1136602), (334, 752063), (442, 568301), (533, 471274), (697, 360386), (1066, 235637), (1079, 232798), (1394, 180193), (1411, 178022), (2158, 116399), (2171, 115702), (2822, 89011), (2839, 88478), (3403, 73814), (4342, 57851), (5678, 44239), (6806, 36907), (6847, 36686), (9061, 27722), (13694, 18343), (13861, 18122)]