251711772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:723

約数の個数: 96

約数和(自身を含む): 671166720

約数和(自身を除く): 419454948

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 163, 228, 247, 326, 489, 494, 521, 652, 741, 978, 988, 1042, 1482, 1563, 1956, 2084, 2119, 2964, 3097, 3126, 4238, 6194, 6252, 6357, 6773, 8476, 9291, 9899, 12388, 12714, 13546, 18582, 19798, 20319, 25428, 27092, 29697, 37164, 39596, 40261, 40638, 59394, 80522, 81276, 84923, 118788, 120783, 128687, 161044, 169846, 241566, 254769, 257374, 339692, 386061, 483132, 509538, 514748, 772122, 1019076, 1103999, 1544244, 1613537, 2207998, 3227074, 3311997, 4415996, 4840611, 6454148, 6623994, 9681222, 13247988, 19362444, 20975981, 41951962, 62927943, 83903924, 125855886, 251711772]

約数ペア:

[(1, 251711772), (2, 125855886), (3, 83903924), (4, 62927943), (6, 41951962), (12, 20975981), (13, 19362444), (19, 13247988), (26, 9681222), (38, 6623994), (39, 6454148), (52, 4840611), (57, 4415996), (76, 3311997), (78, 3227074), (114, 2207998), (156, 1613537), (163, 1544244), (228, 1103999), (247, 1019076), (326, 772122), (489, 514748), (494, 509538), (521, 483132), (652, 386061), (741, 339692), (978, 257374), (988, 254769), (1042, 241566), (1482, 169846), (1563, 161044), (1956, 128687), (2084, 120783), (2119, 118788), (2964, 84923), (3097, 81276), (3126, 80522), (4238, 59394), (6194, 40638), (6252, 40261), (6357, 39596), (6773, 37164), (8476, 29697), (9291, 27092), (9899, 25428), (12388, 20319), (12714, 19798), (13546, 18582)]