155712256

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2803}}^1$

素因数の和:2857

約数の個数: 72

約数和(自身を含む): 366808064

約数和(自身を除く): 211095808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 2803, 3472, 3968, 5606, 6944, 7936, 11212, 13888, 19621, 22424, 27776, 39242, 44848, 55552, 78484, 86893, 89696, 156968, 173786, 179392, 313936, 347572, 358784, 608251, 627872, 695144, 717568, 1216502, 1255744, 1390288, 2433004, 2511488, 2780576, 4866008, 5022976, 5561152, 9732016, 11122304, 19464032, 22244608, 38928064, 77856128, 155712256]

約数ペア:

[(1, 155712256), (2, 77856128), (4, 38928064), (7, 22244608), (8, 19464032), (14, 11122304), (16, 9732016), (28, 5561152), (31, 5022976), (32, 4866008), (56, 2780576), (62, 2511488), (64, 2433004), (112, 1390288), (124, 1255744), (128, 1216502), (217, 717568), (224, 695144), (248, 627872), (256, 608251), (434, 358784), (448, 347572), (496, 313936), (868, 179392), (896, 173786), (992, 156968), (1736, 89696), (1792, 86893), (1984, 78484), (2803, 55552), (3472, 44848), (3968, 39242), (5606, 27776), (6944, 22424), (7936, 19621), (11212, 13888)]