256894425123

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{1381}}^1\times {\mathrm{3671}}^1$

素因数の和:5208

約数の個数: 64

約数和(自身を含む): 415719751680

約数和(自身を除く): 158825326557

約数列:

[1, 3, 7, 19, 21, 57, 127, 133, 381, 399, 889, 1381, 2413, 2667, 3671, 4143, 7239, 9667, 11013, 16891, 25697, 26239, 29001, 50673, 69749, 77091, 78717, 175387, 183673, 209247, 466217, 488243, 526161, 551019, 1227709, 1398651, 1464729, 3263519, 3332353, 3683127, 5069651, 8858123, 9790557, 9997059, 15208953, 23326471, 26574369, 35487557, 62006861, 69979413, 96323369, 106462671, 186020583, 288970107, 643845677, 674263583, 1931537031, 2022790749, 4506919739, 12233067863, 13520759217, 36699203589, 85631475041, 256894425123]

約数ペア:

[(1, 256894425123), (3, 85631475041), (7, 36699203589), (19, 13520759217), (21, 12233067863), (57, 4506919739), (127, 2022790749), (133, 1931537031), (381, 674263583), (399, 643845677), (889, 288970107), (1381, 186020583), (2413, 106462671), (2667, 96323369), (3671, 69979413), (4143, 62006861), (7239, 35487557), (9667, 26574369), (11013, 23326471), (16891, 15208953), (25697, 9997059), (26239, 9790557), (29001, 8858123), (50673, 5069651), (69749, 3683127), (77091, 3332353), (78717, 3263519), (175387, 1464729), (183673, 1398651), (209247, 1227709), (466217, 551019), (488243, 526161)]