261319488

素因数分解:

$2^6\times 3^1\times {\mathrm{919}}^1\times {\mathrm{1481}}^1$

素因数の和:2415

約数の個数: 56

約数和(自身を含む): 692627520

約数和(自身を除く): 431308032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 919, 1481, 1838, 2757, 2962, 3676, 4443, 5514, 5924, 7352, 8886, 11028, 11848, 14704, 17772, 22056, 23696, 29408, 35544, 44112, 47392, 58816, 71088, 88224, 94784, 142176, 176448, 284352, 1361039, 2722078, 4083117, 5444156, 8166234, 10888312, 16332468, 21776624, 32664936, 43553248, 65329872, 87106496, 130659744, 261319488]

約数ペア:

[(1, 261319488), (2, 130659744), (3, 87106496), (4, 65329872), (6, 43553248), (8, 32664936), (12, 21776624), (16, 16332468), (24, 10888312), (32, 8166234), (48, 5444156), (64, 4083117), (96, 2722078), (192, 1361039), (919, 284352), (1481, 176448), (1838, 142176), (2757, 94784), (2962, 88224), (3676, 71088), (4443, 58816), (5514, 47392), (5924, 44112), (7352, 35544), (8886, 29408), (11028, 23696), (11848, 22056), (14704, 17772)]