28496988

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{20297}}^1$

素因数の和:20323

約数の個数: 48

約数和(自身を含む): 79568160

約数和(自身を除く): 51071172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 20297, 40594, 60891, 81188, 121782, 182673, 243564, 263861, 365346, 527722, 548019, 730692, 791583, 1055444, 1096038, 1583166, 2192076, 2374749, 3166332, 4749498, 7124247, 9498996, 14248494, 28496988]

約数ペア:

[(1, 28496988), (2, 14248494), (3, 9498996), (4, 7124247), (6, 4749498), (9, 3166332), (12, 2374749), (13, 2192076), (18, 1583166), (26, 1096038), (27, 1055444), (36, 791583), (39, 730692), (52, 548019), (54, 527722), (78, 365346), (108, 263861), (117, 243564), (156, 182673), (234, 121782), (351, 81188), (468, 60891), (702, 40594), (1404, 20297)]