1997177728

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5596

約数の個数: 128

約数和(自身を含む): 5055805440

約数和(自身を除く): 3058627712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 128, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 496, 728, 806, 832, 868, 896, 992, 1456, 1612, 1664, 1736, 1984, 2821, 2912, 3224, 3472, 3968, 5531, 5642, 5824, 6448, 6944, 11062, 11284, 11648, 12896, 13888, 22124, 22568, 25792, 27776, 38717, 44248, 45136, 51584, 71903, 77434, 88496, 90272, 143806, 154868, 171461, 176992, 180544, 287612, 309736, 342922, 353984, 361088, 503321, 575224, 619472, 685844, 707968, 1006642, 1150448, 1200227, 1238944, 1371688, 2013284, 2228993, 2300896, 2400454, 2477888, 2743376, 4026568, 4457986, 4601792, 4800908, 4955776, 5486752, 8053136, 8915972, 9203584, 9601816, 10973504, 15602951, 16106272, 17831944, 19203632, 21947008, 31205902, 32212544, 35663888, 38407264, 62411804, 64425088, 71327776, 76814528, 124823608, 142655552, 153629056, 249647216, 285311104, 499294432, 998588864, 1997177728]

約数ペア:

[(1, 1997177728), (2, 998588864), (4, 499294432), (7, 285311104), (8, 249647216), (13, 153629056), (14, 142655552), (16, 124823608), (26, 76814528), (28, 71327776), (31, 64425088), (32, 62411804), (52, 38407264), (56, 35663888), (62, 32212544), (64, 31205902), (91, 21947008), (104, 19203632), (112, 17831944), (124, 16106272), (128, 15602951), (182, 10973504), (208, 9601816), (217, 9203584), (224, 8915972), (248, 8053136), (364, 5486752), (403, 4955776), (416, 4800908), (434, 4601792), (448, 4457986), (496, 4026568), (728, 2743376), (806, 2477888), (832, 2400454), (868, 2300896), (896, 2228993), (992, 2013284), (1456, 1371688), (1612, 1238944), (1664, 1200227), (1736, 1150448), (1984, 1006642), (2821, 707968), (2912, 685844), (3224, 619472), (3472, 575224), (3968, 503321), (5531, 361088), (5642, 353984), (5824, 342922), (6448, 309736), (6944, 287612), (11062, 180544), (11284, 176992), (11648, 171461), (12896, 154868), (13888, 143806), (22124, 90272), (22568, 88496), (25792, 77434), (27776, 71903), (38717, 51584), (44248, 45136)]