128630684

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2657}}^1$

素因数の和:2707

約数の個数: 72

約数和(自身を含む): 296951760

約数和(自身を除く): 168321076

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 2657, 3458, 3724, 5314, 6916, 10628, 12103, 18599, 24206, 34541, 37198, 48412, 50483, 69082, 74396, 100966, 130193, 138164, 201932, 241787, 260386, 353381, 483574, 520772, 656279, 706762, 967148, 1312558, 1413524, 1692509, 2473667, 2625116, 3385018, 4593953, 4947334, 6770036, 9187906, 9894668, 18375812, 32157671, 64315342, 128630684]

約数ペア:

[(1, 128630684), (2, 64315342), (4, 32157671), (7, 18375812), (13, 9894668), (14, 9187906), (19, 6770036), (26, 4947334), (28, 4593953), (38, 3385018), (49, 2625116), (52, 2473667), (76, 1692509), (91, 1413524), (98, 1312558), (133, 967148), (182, 706762), (196, 656279), (247, 520772), (266, 483574), (364, 353381), (494, 260386), (532, 241787), (637, 201932), (931, 138164), (988, 130193), (1274, 100966), (1729, 74396), (1862, 69082), (2548, 50483), (2657, 48412), (3458, 37198), (3724, 34541), (5314, 24206), (6916, 18599), (10628, 12103)]