251291664

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:825

約数の個数: 120

約数和(自身を含む): 761873112

約数和(自身を除く): 510581448

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 241, 312, 468, 482, 557, 624, 723, 936, 964, 1114, 1446, 1671, 1872, 1928, 2169, 2228, 2892, 3133, 3342, 3856, 4338, 4456, 5013, 5784, 6266, 6684, 7241, 8676, 8912, 9399, 10026, 11568, 12532, 13368, 14482, 17352, 18798, 20052, 21723, 25064, 26736, 28197, 28964, 34704, 37596, 40104, 43446, 50128, 56394, 57928, 65169, 75192, 80208, 86892, 112788, 115856, 130338, 134237, 150384, 173784, 225576, 260676, 268474, 347568, 402711, 451152, 521352, 536948, 805422, 1042704, 1073896, 1208133, 1610844, 1745081, 2147792, 2416266, 3221688, 3490162, 4832532, 5235243, 6443376, 6980324, 9665064, 10470486, 13960648, 15705729, 19330128, 20940972, 27921296, 31411458, 41881944, 62822916, 83763888, 125645832, 251291664]

約数ペア:

[(1, 251291664), (2, 125645832), (3, 83763888), (4, 62822916), (6, 41881944), (8, 31411458), (9, 27921296), (12, 20940972), (13, 19330128), (16, 15705729), (18, 13960648), (24, 10470486), (26, 9665064), (36, 6980324), (39, 6443376), (48, 5235243), (52, 4832532), (72, 3490162), (78, 3221688), (104, 2416266), (117, 2147792), (144, 1745081), (156, 1610844), (208, 1208133), (234, 1073896), (241, 1042704), (312, 805422), (468, 536948), (482, 521352), (557, 451152), (624, 402711), (723, 347568), (936, 268474), (964, 260676), (1114, 225576), (1446, 173784), (1671, 150384), (1872, 134237), (1928, 130338), (2169, 115856), (2228, 112788), (2892, 86892), (3133, 80208), (3342, 75192), (3856, 65169), (4338, 57928), (4456, 56394), (5013, 50128), (5784, 43446), (6266, 40104), (6684, 37596), (7241, 34704), (8676, 28964), (8912, 28197), (9399, 26736), (10026, 25064), (11568, 21723), (12532, 20052), (13368, 18798), (14482, 17352)]