1296256

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 64

約数和(自身を含む): 2998800

約数和(自身を除く): 1702544

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 41, 52, 64, 76, 82, 104, 128, 152, 164, 208, 247, 304, 328, 416, 494, 533, 608, 656, 779, 832, 988, 1066, 1216, 1312, 1558, 1664, 1976, 2132, 2432, 2624, 3116, 3952, 4264, 5248, 6232, 7904, 8528, 10127, 12464, 15808, 17056, 20254, 24928, 31616, 34112, 40508, 49856, 68224, 81016, 99712, 162032, 324064, 648128, 1296256]

約数ペア:

[(1, 1296256), (2, 648128), (4, 324064), (8, 162032), (13, 99712), (16, 81016), (19, 68224), (26, 49856), (32, 40508), (38, 34112), (41, 31616), (52, 24928), (64, 20254), (76, 17056), (82, 15808), (104, 12464), (128, 10127), (152, 8528), (164, 7904), (208, 6232), (247, 5248), (304, 4264), (328, 3952), (416, 3116), (494, 2624), (533, 2432), (608, 2132), (656, 1976), (779, 1664), (832, 1558), (988, 1312), (1066, 1216)]