221856804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20611}}^1$

素因数の和:20657

約数の個数: 72

約数和(自身を含む): 630232512

約数和(自身を除く): 408375708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2691, 3588, 5382, 10764, 20611, 41222, 61833, 82444, 123666, 185499, 247332, 267943, 370998, 474053, 535886, 741996, 803829, 948106, 1071772, 1422159, 1607658, 1896212, 2411487, 2844318, 3215316, 4266477, 4822974, 5688636, 6162689, 8532954, 9645948, 12325378, 17065908, 18488067, 24650756, 36976134, 55464201, 73952268, 110928402, 221856804]

約数ペア:

[(1, 221856804), (2, 110928402), (3, 73952268), (4, 55464201), (6, 36976134), (9, 24650756), (12, 18488067), (13, 17065908), (18, 12325378), (23, 9645948), (26, 8532954), (36, 6162689), (39, 5688636), (46, 4822974), (52, 4266477), (69, 3215316), (78, 2844318), (92, 2411487), (117, 1896212), (138, 1607658), (156, 1422159), (207, 1071772), (234, 948106), (276, 803829), (299, 741996), (414, 535886), (468, 474053), (598, 370998), (828, 267943), (897, 247332), (1196, 185499), (1794, 123666), (2691, 82444), (3588, 61833), (5382, 41222), (10764, 20611)]