251256876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 663828480

約数和(自身を除く): 412571604

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 138, 156, 239, 276, 293, 299, 478, 586, 598, 717, 879, 897, 956, 1172, 1196, 1434, 1758, 1794, 2868, 3107, 3516, 3588, 3809, 5497, 6214, 6739, 7618, 9321, 10994, 11427, 12428, 13478, 15236, 16491, 18642, 20217, 21988, 22854, 26956, 32982, 37284, 40434, 45708, 65964, 70027, 71461, 80868, 87607, 140054, 142922, 175214, 210081, 214383, 262821, 280108, 285844, 350428, 420162, 428766, 525642, 840324, 857532, 910351, 1051284, 1610621, 1820702, 2731053, 3221242, 3641404, 4831863, 5462106, 6442484, 9663726, 10924212, 19327452, 20938073, 41876146, 62814219, 83752292, 125628438, 251256876]

約数ペア:

[(1, 251256876), (2, 125628438), (3, 83752292), (4, 62814219), (6, 41876146), (12, 20938073), (13, 19327452), (23, 10924212), (26, 9663726), (39, 6442484), (46, 5462106), (52, 4831863), (69, 3641404), (78, 3221242), (92, 2731053), (138, 1820702), (156, 1610621), (239, 1051284), (276, 910351), (293, 857532), (299, 840324), (478, 525642), (586, 428766), (598, 420162), (717, 350428), (879, 285844), (897, 280108), (956, 262821), (1172, 214383), (1196, 210081), (1434, 175214), (1758, 142922), (1794, 140054), (2868, 87607), (3107, 80868), (3516, 71461), (3588, 70027), (3809, 65964), (5497, 45708), (6214, 40434), (6739, 37284), (7618, 32982), (9321, 26956), (10994, 22854), (11427, 21988), (12428, 20217), (13478, 18642), (15236, 16491)]