81254456

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{1297}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 157006080

約数和(自身を除く): 75751624

約数列:

[1, 2, 4, 8, 41, 82, 164, 191, 328, 382, 764, 1297, 1528, 2594, 5188, 7831, 10376, 15662, 31324, 53177, 62648, 106354, 212708, 247727, 425416, 495454, 990908, 1981816, 10156807, 20313614, 40627228, 81254456]

約数ペア:

[(1, 81254456), (2, 40627228), (4, 20313614), (8, 10156807), (41, 1981816), (82, 990908), (164, 495454), (191, 425416), (328, 247727), (382, 212708), (764, 106354), (1297, 62648), (1528, 53177), (2594, 31324), (5188, 15662), (7831, 10376)]