28631512

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{587}}^1$

素因数の和:680

約数の個数: 64

約数和(自身を含む): 67173120

約数和(自身を除く): 38541608

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 67, 91, 104, 134, 182, 268, 364, 469, 536, 587, 728, 871, 938, 1174, 1742, 1876, 2348, 3484, 3752, 4109, 4696, 6097, 6968, 7631, 8218, 12194, 15262, 16436, 24388, 30524, 32872, 39329, 48776, 53417, 61048, 78658, 106834, 157316, 213668, 275303, 314632, 427336, 511277, 550606, 1022554, 1101212, 2045108, 2202424, 3578939, 4090216, 7157878, 14315756, 28631512]

約数ペア:

[(1, 28631512), (2, 14315756), (4, 7157878), (7, 4090216), (8, 3578939), (13, 2202424), (14, 2045108), (26, 1101212), (28, 1022554), (52, 550606), (56, 511277), (67, 427336), (91, 314632), (104, 275303), (134, 213668), (182, 157316), (268, 106834), (364, 78658), (469, 61048), (536, 53417), (587, 48776), (728, 39329), (871, 32872), (938, 30524), (1174, 24388), (1742, 16436), (1876, 15262), (2348, 12194), (3484, 8218), (3752, 7631), (4109, 6968), (4696, 6097)]