221575042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 397522944

約数和(自身を除く): 175947902

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 103, 157, 206, 221, 314, 403, 442, 527, 806, 1054, 1339, 1751, 2041, 2669, 2678, 3193, 3502, 4082, 4867, 5338, 6386, 6851, 9734, 13702, 16171, 22763, 32342, 34697, 41509, 45526, 54281, 63271, 69394, 82739, 83018, 108562, 126542, 165478, 210223, 274907, 420446, 501301, 549814, 705653, 1002602, 1075607, 1411306, 2151214, 3573791, 6516913, 7147582, 8522117, 13033826, 17044234, 110787521, 221575042]

約数ペア:

[(1, 221575042), (2, 110787521), (13, 17044234), (17, 13033826), (26, 8522117), (31, 7147582), (34, 6516913), (62, 3573791), (103, 2151214), (157, 1411306), (206, 1075607), (221, 1002602), (314, 705653), (403, 549814), (442, 501301), (527, 420446), (806, 274907), (1054, 210223), (1339, 165478), (1751, 126542), (2041, 108562), (2669, 83018), (2678, 82739), (3193, 69394), (3502, 63271), (4082, 54281), (4867, 45526), (5338, 41509), (6386, 34697), (6851, 32342), (9734, 22763), (13702, 16171)]