881645056

素因数分解:

$2^9\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 1814883840

約数和(自身を除く): 933238784

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 79, 128, 142, 158, 256, 284, 307, 316, 512, 568, 614, 632, 1136, 1228, 1264, 2272, 2456, 2528, 4544, 4912, 5056, 5609, 9088, 9824, 10112, 11218, 18176, 19648, 20224, 21797, 22436, 24253, 36352, 39296, 40448, 43594, 44872, 48506, 78592, 87188, 89744, 97012, 157184, 174376, 179488, 194024, 348752, 358976, 388048, 697504, 717952, 776096, 1395008, 1435904, 1552192, 1721963, 2790016, 2871808, 3104384, 3443926, 5580032, 6208768, 6887852, 11160064, 12417536, 13775704, 27551408, 55102816, 110205632, 220411264, 440822528, 881645056]

約数ペア:

[(1, 881645056), (2, 440822528), (4, 220411264), (8, 110205632), (16, 55102816), (32, 27551408), (64, 13775704), (71, 12417536), (79, 11160064), (128, 6887852), (142, 6208768), (158, 5580032), (256, 3443926), (284, 3104384), (307, 2871808), (316, 2790016), (512, 1721963), (568, 1552192), (614, 1435904), (632, 1395008), (1136, 776096), (1228, 717952), (1264, 697504), (2272, 388048), (2456, 358976), (2528, 348752), (4544, 194024), (4912, 179488), (5056, 174376), (5609, 157184), (9088, 97012), (9824, 89744), (10112, 87188), (11218, 78592), (18176, 48506), (19648, 44872), (20224, 43594), (21797, 40448), (22436, 39296), (24253, 36352)]