81018128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8597}}^1$

素因数の和:8655

約数の個数: 40

約数和(自身を含む): 170584320

約数和(自身を除く): 89566192

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 496, 589, 1178, 2356, 4712, 8597, 9424, 17194, 34388, 68776, 137552, 163343, 266507, 326686, 533014, 653372, 1066028, 1306744, 2132056, 2613488, 4264112, 5063633, 10127266, 20254532, 40509064, 81018128]

約数ペア:

[(1, 81018128), (2, 40509064), (4, 20254532), (8, 10127266), (16, 5063633), (19, 4264112), (31, 2613488), (38, 2132056), (62, 1306744), (76, 1066028), (124, 653372), (152, 533014), (248, 326686), (304, 266507), (496, 163343), (589, 137552), (1178, 68776), (2356, 34388), (4712, 17194), (8597, 9424)]