81932916

素因数分解:

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

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 206769024

約数和(自身を除く): 124836108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 263, 526, 789, 1052, 1578, 1997, 3156, 3419, 3994, 5991, 6838, 7988, 10257, 11982, 13676, 20514, 23964, 25961, 41028, 51922, 77883, 103844, 155766, 311532, 525211, 1050422, 1575633, 2100844, 3151266, 6302532, 6827743, 13655486, 20483229, 27310972, 40966458, 81932916]

約数ペア:

[(1, 81932916), (2, 40966458), (3, 27310972), (4, 20483229), (6, 13655486), (12, 6827743), (13, 6302532), (26, 3151266), (39, 2100844), (52, 1575633), (78, 1050422), (156, 525211), (263, 311532), (526, 155766), (789, 103844), (1052, 77883), (1578, 51922), (1997, 41028), (3156, 25961), (3419, 23964), (3994, 20514), (5991, 13676), (6838, 11982), (7988, 10257)]