128498792

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 261360000

約数和(自身を除く): 132861208

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 109, 149, 172, 184, 218, 298, 344, 436, 596, 872, 989, 1192, 1978, 2507, 3427, 3956, 4687, 5014, 6407, 6854, 7912, 9374, 10028, 12814, 13708, 16241, 18748, 20056, 25628, 27416, 32482, 37496, 51256, 64964, 107801, 129928, 147361, 215602, 294722, 373543, 431204, 589444, 698363, 747086, 862408, 1178888, 1396726, 1494172, 2793452, 2988344, 5586904, 16062349, 32124698, 64249396, 128498792]

約数ペア:

[(1, 128498792), (2, 64249396), (4, 32124698), (8, 16062349), (23, 5586904), (43, 2988344), (46, 2793452), (86, 1494172), (92, 1396726), (109, 1178888), (149, 862408), (172, 747086), (184, 698363), (218, 589444), (298, 431204), (344, 373543), (436, 294722), (596, 215602), (872, 147361), (989, 129928), (1192, 107801), (1978, 64964), (2507, 51256), (3427, 37496), (3956, 32482), (4687, 27416), (5014, 25628), (6407, 20056), (6854, 18748), (7912, 16241), (9374, 13708), (10028, 12814)]