251427816

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 700876800

約数和(自身を除く): 449448984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 191, 282, 376, 382, 389, 423, 564, 573, 764, 778, 846, 1128, 1146, 1167, 1528, 1556, 1692, 1719, 2292, 2334, 3112, 3384, 3438, 3501, 4584, 4668, 6876, 7002, 8977, 9336, 13752, 14004, 17954, 18283, 26931, 28008, 35908, 36566, 53862, 54849, 71816, 73132, 74299, 80793, 107724, 109698, 146264, 148598, 161586, 164547, 215448, 219396, 222897, 297196, 323172, 329094, 438792, 445794, 594392, 646344, 658188, 668691, 891588, 1316376, 1337382, 1783176, 2674764, 3492053, 5349528, 6984106, 10476159, 13968212, 20952318, 27936424, 31428477, 41904636, 62856954, 83809272, 125713908, 251427816]

約数ペア:

[(1, 251427816), (2, 125713908), (3, 83809272), (4, 62856954), (6, 41904636), (8, 31428477), (9, 27936424), (12, 20952318), (18, 13968212), (24, 10476159), (36, 6984106), (47, 5349528), (72, 3492053), (94, 2674764), (141, 1783176), (188, 1337382), (191, 1316376), (282, 891588), (376, 668691), (382, 658188), (389, 646344), (423, 594392), (564, 445794), (573, 438792), (764, 329094), (778, 323172), (846, 297196), (1128, 222897), (1146, 219396), (1167, 215448), (1528, 164547), (1556, 161586), (1692, 148598), (1719, 146264), (2292, 109698), (2334, 107724), (3112, 80793), (3384, 74299), (3438, 73132), (3501, 71816), (4584, 54849), (4668, 53862), (6876, 36566), (7002, 35908), (8977, 28008), (9336, 26931), (13752, 18283), (14004, 17954)]