251404504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2707}}^1$

素因数の和:2792

約数の個数: 64

約数和(自身を含む): 545932800

約数和(自身を除く): 294528296

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 47, 52, 76, 94, 104, 152, 188, 247, 376, 494, 611, 893, 988, 1222, 1786, 1976, 2444, 2707, 3572, 4888, 5414, 7144, 10828, 11609, 21656, 23218, 35191, 46436, 51433, 70382, 92872, 102866, 127229, 140764, 205732, 254458, 281528, 411464, 508916, 668629, 1017832, 1337258, 1653977, 2417351, 2674516, 3307954, 4834702, 5349032, 6615908, 9669404, 13231816, 19338808, 31425563, 62851126, 125702252, 251404504]

約数ペア:

[(1, 251404504), (2, 125702252), (4, 62851126), (8, 31425563), (13, 19338808), (19, 13231816), (26, 9669404), (38, 6615908), (47, 5349032), (52, 4834702), (76, 3307954), (94, 2674516), (104, 2417351), (152, 1653977), (188, 1337258), (247, 1017832), (376, 668629), (494, 508916), (611, 411464), (893, 281528), (988, 254458), (1222, 205732), (1786, 140764), (1976, 127229), (2444, 102866), (2707, 92872), (3572, 70382), (4888, 51433), (5414, 46436), (7144, 35191), (10828, 23218), (11609, 21656)]