7940036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 15833664

約数和(自身を除く): 7893628

約数列:

[1, 2, 4, 13, 26, 43, 52, 53, 67, 86, 106, 134, 172, 212, 268, 559, 689, 871, 1118, 1378, 1742, 2236, 2279, 2756, 2881, 3484, 3551, 4558, 5762, 7102, 9116, 11524, 14204, 29627, 37453, 46163, 59254, 74906, 92326, 118508, 149812, 152693, 184652, 305386, 610772, 1985009, 3970018, 7940036]

約数ペア:

[(1, 7940036), (2, 3970018), (4, 1985009), (13, 610772), (26, 305386), (43, 184652), (52, 152693), (53, 149812), (67, 118508), (86, 92326), (106, 74906), (134, 59254), (172, 46163), (212, 37453), (268, 29627), (559, 14204), (689, 11524), (871, 9116), (1118, 7102), (1378, 5762), (1742, 4558), (2236, 3551), (2279, 3484), (2756, 2881)]