128766686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:488

約数の個数: 32

約数和(自身を含む): 207567360

約数和(自身を除く): 78800674

約数列:

[1, 2, 19, 38, 103, 167, 197, 206, 334, 394, 1957, 3173, 3743, 3914, 6346, 7486, 17201, 20291, 32899, 34402, 40582, 65798, 326819, 385529, 625081, 653638, 771058, 1250162, 3388597, 6777194, 64383343, 128766686]

約数ペア:

[(1, 128766686), (2, 64383343), (19, 6777194), (38, 3388597), (103, 1250162), (167, 771058), (197, 653638), (206, 625081), (334, 385529), (394, 326819), (1957, 65798), (3173, 40582), (3743, 34402), (3914, 32899), (6346, 20291), (7486, 17201)]