845461552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 1804572000

約数和(自身を除く): 959110448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 109, 178, 208, 218, 356, 419, 436, 712, 838, 872, 1157, 1417, 1424, 1676, 1744, 2314, 2834, 3352, 4628, 5447, 5668, 6704, 9256, 9701, 10894, 11336, 18512, 19402, 21788, 22672, 37291, 38804, 43576, 45671, 74582, 77608, 87152, 91342, 126113, 149164, 155216, 182684, 252226, 298328, 365368, 484783, 504452, 593723, 596656, 730736, 969566, 1008904, 1187446, 1939132, 2017808, 2374892, 3878264, 4064719, 4749784, 7756528, 8129438, 9499568, 16258876, 32517752, 52841347, 65035504, 105682694, 211365388, 422730776, 845461552]

約数ペア:

[(1, 845461552), (2, 422730776), (4, 211365388), (8, 105682694), (13, 65035504), (16, 52841347), (26, 32517752), (52, 16258876), (89, 9499568), (104, 8129438), (109, 7756528), (178, 4749784), (208, 4064719), (218, 3878264), (356, 2374892), (419, 2017808), (436, 1939132), (712, 1187446), (838, 1008904), (872, 969566), (1157, 730736), (1417, 596656), (1424, 593723), (1676, 504452), (1744, 484783), (2314, 365368), (2834, 298328), (3352, 252226), (4628, 182684), (5447, 155216), (5668, 149164), (6704, 126113), (9256, 91342), (9701, 87152), (10894, 77608), (11336, 74582), (18512, 45671), (19402, 43576), (21788, 38804), (22672, 37291)]