639843622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 1109541888

約数和(自身を除く): 469698266

約数列:

[1, 2, 11, 22, 41, 71, 82, 97, 103, 142, 194, 206, 451, 781, 902, 1067, 1133, 1562, 2134, 2266, 2911, 3977, 4223, 5822, 6887, 7313, 7954, 8446, 9991, 13774, 14626, 19982, 32021, 43747, 46453, 64042, 75757, 80443, 87494, 92906, 109901, 151514, 160886, 219802, 282367, 299833, 409631, 564734, 599666, 709361, 819262, 1418722, 3106037, 3298163, 4505941, 6212074, 6596326, 7802971, 9011882, 15605942, 29083801, 58167602, 319921811, 639843622]

約数ペア:

[(1, 639843622), (2, 319921811), (11, 58167602), (22, 29083801), (41, 15605942), (71, 9011882), (82, 7802971), (97, 6596326), (103, 6212074), (142, 4505941), (194, 3298163), (206, 3106037), (451, 1418722), (781, 819262), (902, 709361), (1067, 599666), (1133, 564734), (1562, 409631), (2134, 299833), (2266, 282367), (2911, 219802), (3977, 160886), (4223, 151514), (5822, 109901), (6887, 92906), (7313, 87494), (7954, 80443), (8446, 75757), (9991, 64042), (13774, 46453), (14626, 43747), (19982, 32021)]