31491968

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{563}}^1$

素因数の和:619

約数の個数: 64

約数和(自身を含む): 69033600

約数和(自身を除く): 37541632

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 184, 304, 368, 437, 563, 608, 736, 874, 1126, 1216, 1472, 1748, 2252, 2432, 2944, 3496, 4504, 6992, 9008, 10697, 12949, 13984, 18016, 21394, 25898, 27968, 36032, 42788, 51796, 55936, 72064, 85576, 103592, 171152, 207184, 246031, 342304, 414368, 492062, 684608, 828736, 984124, 1369216, 1657472, 1968248, 3936496, 7872992, 15745984, 31491968]

約数ペア:

[(1, 31491968), (2, 15745984), (4, 7872992), (8, 3936496), (16, 1968248), (19, 1657472), (23, 1369216), (32, 984124), (38, 828736), (46, 684608), (64, 492062), (76, 414368), (92, 342304), (128, 246031), (152, 207184), (184, 171152), (304, 103592), (368, 85576), (437, 72064), (563, 55936), (608, 51796), (736, 42788), (874, 36032), (1126, 27968), (1216, 25898), (1472, 21394), (1748, 18016), (2252, 13984), (2432, 12949), (2944, 10697), (3496, 9008), (4504, 6992)]