521178424

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{397}}^1\times {\mathrm{971}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 1061919720

約数和(自身を除く): 540741296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 397, 676, 794, 971, 1352, 1588, 1942, 3176, 3884, 5161, 7768, 10322, 12623, 20644, 25246, 41288, 50492, 67093, 100984, 134186, 164099, 268372, 328198, 385487, 536744, 656396, 770974, 1312792, 1541948, 3083896, 5011331, 10022662, 20045324, 40090648, 65147303, 130294606, 260589212, 521178424]

約数ペア:

[(1, 521178424), (2, 260589212), (4, 130294606), (8, 65147303), (13, 40090648), (26, 20045324), (52, 10022662), (104, 5011331), (169, 3083896), (338, 1541948), (397, 1312792), (676, 770974), (794, 656396), (971, 536744), (1352, 385487), (1588, 328198), (1942, 268372), (3176, 164099), (3884, 134186), (5161, 100984), (7768, 67093), (10322, 50492), (12623, 41288), (20644, 25246)]