247489825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 357727104

約数和(自身を除く): 110237279

約数列:

[1, 5, 11, 17, 25, 55, 85, 167, 187, 275, 317, 425, 835, 935, 1585, 1837, 2839, 3487, 4175, 4675, 5389, 7925, 9185, 14195, 17435, 26945, 31229, 45925, 52939, 59279, 70975, 87175, 134725, 156145, 264695, 296395, 582329, 780725, 899963, 1323475, 1481975, 2911645, 4499815, 9899593, 14558225, 22499075, 49497965, 247489825]

約数ペア:

[(1, 247489825), (5, 49497965), (11, 22499075), (17, 14558225), (25, 9899593), (55, 4499815), (85, 2911645), (167, 1481975), (187, 1323475), (275, 899963), (317, 780725), (425, 582329), (835, 296395), (935, 264695), (1585, 156145), (1837, 134725), (2839, 87175), (3487, 70975), (4175, 59279), (4675, 52939), (5389, 45925), (7925, 31229), (9185, 26945), (14195, 17435)]