646573668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{112019}}^1$

素因数の和:112076

約数の個数: 48

約数和(自身を含む): 1668649920

約数和(自身を除く): 1022076252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 5772, 112019, 224038, 336057, 448076, 672114, 1344228, 1456247, 2912494, 4144703, 4368741, 5824988, 8289406, 8737482, 12434109, 16578812, 17474964, 24868218, 49736436, 53881139, 107762278, 161643417, 215524556, 323286834, 646573668]

約数ペア:

[(1, 646573668), (2, 323286834), (3, 215524556), (4, 161643417), (6, 107762278), (12, 53881139), (13, 49736436), (26, 24868218), (37, 17474964), (39, 16578812), (52, 12434109), (74, 8737482), (78, 8289406), (111, 5824988), (148, 4368741), (156, 4144703), (222, 2912494), (444, 1456247), (481, 1344228), (962, 672114), (1443, 448076), (1924, 336057), (2886, 224038), (5772, 112019)]