28488876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 76167168

約数和(自身を除く): 47678292

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 43, 52, 62, 78, 86, 93, 124, 129, 137, 156, 172, 186, 258, 274, 372, 403, 411, 516, 548, 559, 806, 822, 1118, 1209, 1333, 1612, 1644, 1677, 1781, 2236, 2418, 2666, 3354, 3562, 3999, 4247, 4836, 5332, 5343, 5891, 6708, 7124, 7998, 8494, 10686, 11782, 12741, 15996, 16988, 17329, 17673, 21372, 23564, 25482, 34658, 35346, 50964, 51987, 55211, 69316, 70692, 76583, 103974, 110422, 153166, 165633, 182621, 207948, 220844, 229749, 306332, 331266, 365242, 459498, 547863, 662532, 730484, 918996, 1095726, 2191452, 2374073, 4748146, 7122219, 9496292, 14244438, 28488876]

約数ペア:

[(1, 28488876), (2, 14244438), (3, 9496292), (4, 7122219), (6, 4748146), (12, 2374073), (13, 2191452), (26, 1095726), (31, 918996), (39, 730484), (43, 662532), (52, 547863), (62, 459498), (78, 365242), (86, 331266), (93, 306332), (124, 229749), (129, 220844), (137, 207948), (156, 182621), (172, 165633), (186, 153166), (258, 110422), (274, 103974), (372, 76583), (403, 70692), (411, 69316), (516, 55211), (548, 51987), (559, 50964), (806, 35346), (822, 34658), (1118, 25482), (1209, 23564), (1333, 21372), (1612, 17673), (1644, 17329), (1677, 16988), (1781, 15996), (2236, 12741), (2418, 11782), (2666, 10686), (3354, 8494), (3562, 7998), (3999, 7124), (4247, 6708), (4836, 5891), (5332, 5343)]