251441568

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:867

約数の個数: 144

約数和(自身を含む): 822721536

約数和(自身を除く): 571279968

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 191, 224, 252, 288, 336, 382, 504, 573, 653, 672, 764, 1008, 1146, 1306, 1337, 1528, 1719, 1959, 2016, 2292, 2612, 2674, 3056, 3438, 3918, 4011, 4571, 4584, 5224, 5348, 5877, 6112, 6876, 7836, 8022, 9142, 9168, 10448, 10696, 11754, 12033, 13713, 13752, 15672, 16044, 18284, 18336, 20896, 21392, 23508, 24066, 27426, 27504, 31344, 32088, 36568, 41139, 42784, 47016, 48132, 54852, 55008, 62688, 64176, 73136, 82278, 94032, 96264, 109704, 124723, 128352, 146272, 164556, 188064, 192528, 219408, 249446, 329112, 374169, 385056, 438816, 498892, 658224, 748338, 873061, 997784, 1122507, 1316448, 1496676, 1746122, 1995568, 2245014, 2619183, 2993352, 3492244, 3991136, 4490028, 5238366, 5986704, 6984488, 7857549, 8980056, 10476732, 11973408, 13968976, 15715098, 17960112, 20953464, 27937952, 31430196, 35920224, 41906928, 62860392, 83813856, 125720784, 251441568]

約数ペア:

[(1, 251441568), (2, 125720784), (3, 83813856), (4, 62860392), (6, 41906928), (7, 35920224), (8, 31430196), (9, 27937952), (12, 20953464), (14, 17960112), (16, 15715098), (18, 13968976), (21, 11973408), (24, 10476732), (28, 8980056), (32, 7857549), (36, 6984488), (42, 5986704), (48, 5238366), (56, 4490028), (63, 3991136), (72, 3492244), (84, 2993352), (96, 2619183), (112, 2245014), (126, 1995568), (144, 1746122), (168, 1496676), (191, 1316448), (224, 1122507), (252, 997784), (288, 873061), (336, 748338), (382, 658224), (504, 498892), (573, 438816), (653, 385056), (672, 374169), (764, 329112), (1008, 249446), (1146, 219408), (1306, 192528), (1337, 188064), (1528, 164556), (1719, 146272), (1959, 128352), (2016, 124723), (2292, 109704), (2612, 96264), (2674, 94032), (3056, 82278), (3438, 73136), (3918, 64176), (4011, 62688), (4571, 55008), (4584, 54852), (5224, 48132), (5348, 47016), (5877, 42784), (6112, 41139), (6876, 36568), (7836, 32088), (8022, 31344), (9142, 27504), (9168, 27426), (10448, 24066), (10696, 23508), (11754, 21392), (12033, 20896), (13713, 18336), (13752, 18284), (15672, 16044)]