201225600008

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{643}}^1\times {\mathrm{641287}}^1$

素因数の和:641997

約数の個数: 32

約数和(自身を含む): 384080208960

約数和(自身を除く): 182854608952

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 643, 1286, 2572, 5144, 39223, 78446, 156892, 313784, 641287, 1282574, 2565148, 5130296, 39118507, 78237014, 156474028, 312948056, 412347541, 824695082, 1649390164, 3298780328, 25153200001, 50306400002, 100612800004, 201225600008]

約数ペア:

[(1, 201225600008), (2, 100612800004), (4, 50306400002), (8, 25153200001), (61, 3298780328), (122, 1649390164), (244, 824695082), (488, 412347541), (643, 312948056), (1286, 156474028), (2572, 78237014), (5144, 39118507), (39223, 5130296), (78446, 2565148), (156892, 1282574), (313784, 641287)]