28640664

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{827}}^1$

素因数の和:889

約数の個数: 96

約数和(自身を含む): 85896720

約数和(自身を除く): 57256056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 52, 72, 74, 78, 104, 111, 117, 148, 156, 222, 234, 296, 312, 333, 444, 468, 481, 666, 827, 888, 936, 962, 1332, 1443, 1654, 1924, 2481, 2664, 2886, 3308, 3848, 4329, 4962, 5772, 6616, 7443, 8658, 9924, 10751, 11544, 14886, 17316, 19848, 21502, 29772, 30599, 32253, 34632, 43004, 59544, 61198, 64506, 86008, 91797, 96759, 122396, 129012, 183594, 193518, 244792, 258024, 275391, 367188, 387036, 397787, 550782, 734376, 774072, 795574, 1101564, 1193361, 1591148, 2203128, 2386722, 3182296, 3580083, 4773444, 7160166, 9546888, 14320332, 28640664]

約数ペア:

[(1, 28640664), (2, 14320332), (3, 9546888), (4, 7160166), (6, 4773444), (8, 3580083), (9, 3182296), (12, 2386722), (13, 2203128), (18, 1591148), (24, 1193361), (26, 1101564), (36, 795574), (37, 774072), (39, 734376), (52, 550782), (72, 397787), (74, 387036), (78, 367188), (104, 275391), (111, 258024), (117, 244792), (148, 193518), (156, 183594), (222, 129012), (234, 122396), (296, 96759), (312, 91797), (333, 86008), (444, 64506), (468, 61198), (481, 59544), (666, 43004), (827, 34632), (888, 32253), (936, 30599), (962, 29772), (1332, 21502), (1443, 19848), (1654, 17316), (1924, 14886), (2481, 11544), (2664, 10751), (2886, 9924), (3308, 8658), (3848, 7443), (4329, 6616), (4962, 5772)]