245798748

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1997}}^1$

素因数の和:2283

約数の個数: 72

約数和(自身を含む): 671999328

約数和(自身を除く): 426200580

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 263, 468, 526, 789, 1052, 1578, 1997, 2367, 3156, 3419, 3994, 4734, 5991, 6838, 7988, 9468, 10257, 11982, 13676, 17973, 20514, 23964, 25961, 30771, 35946, 41028, 51922, 61542, 71892, 77883, 103844, 123084, 155766, 233649, 311532, 467298, 525211, 934596, 1050422, 1575633, 2100844, 3151266, 4726899, 6302532, 6827743, 9453798, 13655486, 18907596, 20483229, 27310972, 40966458, 61449687, 81932916, 122899374, 245798748]

約数ペア:

[(1, 245798748), (2, 122899374), (3, 81932916), (4, 61449687), (6, 40966458), (9, 27310972), (12, 20483229), (13, 18907596), (18, 13655486), (26, 9453798), (36, 6827743), (39, 6302532), (52, 4726899), (78, 3151266), (117, 2100844), (156, 1575633), (234, 1050422), (263, 934596), (468, 525211), (526, 467298), (789, 311532), (1052, 233649), (1578, 155766), (1997, 123084), (2367, 103844), (3156, 77883), (3419, 71892), (3994, 61542), (4734, 51922), (5991, 41028), (6838, 35946), (7988, 30771), (9468, 25961), (10257, 23964), (11982, 20514), (13676, 17973)]