221103608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{593}}^1$

素因数の和:852

約数の個数: 64

約数和(自身を含む): 479001600

約数和(自身を除く): 257897992

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 223, 418, 446, 593, 836, 892, 1186, 1672, 1784, 2372, 2453, 4237, 4744, 4906, 6523, 8474, 9812, 11267, 13046, 16948, 19624, 22534, 26092, 33896, 45068, 46607, 52184, 90136, 93214, 123937, 132239, 186428, 247874, 264478, 372856, 495748, 528956, 991496, 1057912, 1454629, 2512541, 2909258, 5025082, 5818516, 10050164, 11637032, 20100328, 27637951, 55275902, 110551804, 221103608]

約数ペア:

[(1, 221103608), (2, 110551804), (4, 55275902), (8, 27637951), (11, 20100328), (19, 11637032), (22, 10050164), (38, 5818516), (44, 5025082), (76, 2909258), (88, 2512541), (152, 1454629), (209, 1057912), (223, 991496), (418, 528956), (446, 495748), (593, 372856), (836, 264478), (892, 247874), (1186, 186428), (1672, 132239), (1784, 123937), (2372, 93214), (2453, 90136), (4237, 52184), (4744, 46607), (4906, 45068), (6523, 33896), (8474, 26092), (9812, 22534), (11267, 19624), (13046, 16948)]