77986328

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:480

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 96196072

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 167, 217, 248, 269, 334, 434, 538, 668, 868, 1076, 1169, 1336, 1736, 1883, 2152, 2338, 3766, 4676, 5177, 7532, 8339, 9352, 10354, 15064, 16678, 20708, 33356, 36239, 41416, 44923, 58373, 66712, 72478, 89846, 116746, 144956, 179692, 233492, 289912, 314461, 359384, 466984, 628922, 1257844, 1392613, 2515688, 2785226, 5570452, 9748291, 11140904, 19496582, 38993164, 77986328]

約数ペア:

[(1, 77986328), (2, 38993164), (4, 19496582), (7, 11140904), (8, 9748291), (14, 5570452), (28, 2785226), (31, 2515688), (56, 1392613), (62, 1257844), (124, 628922), (167, 466984), (217, 359384), (248, 314461), (269, 289912), (334, 233492), (434, 179692), (538, 144956), (668, 116746), (868, 89846), (1076, 72478), (1169, 66712), (1336, 58373), (1736, 44923), (1883, 41416), (2152, 36239), (2338, 33356), (3766, 20708), (4676, 16678), (5177, 15064), (7532, 10354), (8339, 9352)]