221201244

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 144

約数和(自身を含む): 648001536

約数和(自身を除く): 426800292

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 31, 33, 36, 37, 44, 62, 66, 74, 93, 99, 111, 124, 132, 148, 186, 198, 222, 279, 333, 341, 372, 396, 407, 444, 487, 558, 666, 682, 814, 974, 1023, 1116, 1147, 1221, 1332, 1364, 1461, 1628, 1948, 2046, 2294, 2442, 2922, 3069, 3441, 3663, 4092, 4383, 4588, 4884, 5357, 5844, 6138, 6882, 7326, 8766, 10323, 10714, 12276, 12617, 13764, 14652, 15097, 16071, 17532, 18019, 20646, 21428, 25234, 30194, 32142, 36038, 37851, 41292, 45291, 48213, 50468, 54057, 60388, 64284, 72076, 75702, 90582, 96426, 108114, 113553, 135873, 151404, 162171, 166067, 181164, 192852, 198209, 216228, 227106, 271746, 324342, 332134, 396418, 454212, 498201, 543492, 558589, 594627, 648684, 664268, 792836, 996402, 1117178, 1189254, 1494603, 1675767, 1783881, 1992804, 2234356, 2378508, 2989206, 3351534, 3567762, 5027301, 5978412, 6144479, 6703068, 7135524, 10054602, 12288958, 18433437, 20109204, 24577916, 36866874, 55300311, 73733748, 110600622, 221201244]

約数ペア:

[(1, 221201244), (2, 110600622), (3, 73733748), (4, 55300311), (6, 36866874), (9, 24577916), (11, 20109204), (12, 18433437), (18, 12288958), (22, 10054602), (31, 7135524), (33, 6703068), (36, 6144479), (37, 5978412), (44, 5027301), (62, 3567762), (66, 3351534), (74, 2989206), (93, 2378508), (99, 2234356), (111, 1992804), (124, 1783881), (132, 1675767), (148, 1494603), (186, 1189254), (198, 1117178), (222, 996402), (279, 792836), (333, 664268), (341, 648684), (372, 594627), (396, 558589), (407, 543492), (444, 498201), (487, 454212), (558, 396418), (666, 332134), (682, 324342), (814, 271746), (974, 227106), (1023, 216228), (1116, 198209), (1147, 192852), (1221, 181164), (1332, 166067), (1364, 162171), (1461, 151404), (1628, 135873), (1948, 113553), (2046, 108114), (2294, 96426), (2442, 90582), (2922, 75702), (3069, 72076), (3441, 64284), (3663, 60388), (4092, 54057), (4383, 50468), (4588, 48213), (4884, 45291), (5357, 41292), (5844, 37851), (6138, 36038), (6882, 32142), (7326, 30194), (8766, 25234), (10323, 21428), (10714, 20646), (12276, 18019), (12617, 17532), (13764, 16071), (14652, 15097)]