218620928

素因数分解:

$2^{10}\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:219

約数の個数: 88

約数和(自身を含む): 462196224

約数和(自身を除く): 243575296

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 97, 124, 128, 142, 194, 248, 256, 284, 388, 496, 512, 568, 776, 992, 1024, 1136, 1552, 1984, 2201, 2272, 3007, 3104, 3968, 4402, 4544, 6014, 6208, 6887, 7936, 8804, 9088, 12028, 12416, 13774, 15872, 17608, 18176, 24056, 24832, 27548, 31744, 35216, 36352, 48112, 49664, 55096, 70432, 72704, 96224, 99328, 110192, 140864, 192448, 213497, 220384, 281728, 384896, 426994, 440768, 563456, 769792, 853988, 881536, 1126912, 1539584, 1707976, 1763072, 2253824, 3079168, 3415952, 3526144, 6831904, 7052288, 13663808, 27327616, 54655232, 109310464, 218620928]

約数ペア:

[(1, 218620928), (2, 109310464), (4, 54655232), (8, 27327616), (16, 13663808), (31, 7052288), (32, 6831904), (62, 3526144), (64, 3415952), (71, 3079168), (97, 2253824), (124, 1763072), (128, 1707976), (142, 1539584), (194, 1126912), (248, 881536), (256, 853988), (284, 769792), (388, 563456), (496, 440768), (512, 426994), (568, 384896), (776, 281728), (992, 220384), (1024, 213497), (1136, 192448), (1552, 140864), (1984, 110192), (2201, 99328), (2272, 96224), (3007, 72704), (3104, 70432), (3968, 55096), (4402, 49664), (4544, 48112), (6014, 36352), (6208, 35216), (6887, 31744), (7936, 27548), (8804, 24832), (9088, 24056), (12028, 18176), (12416, 17608), (13774, 15872)]