820131656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{32309}}^1$

素因数の和:32501

約数の個数: 32

約数和(自身を含む): 1628424000

約数和(自身を除く): 808292344

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 167, 334, 668, 1336, 3173, 6346, 12692, 25384, 32309, 64618, 129236, 258472, 613871, 1227742, 2455484, 4910968, 5395603, 10791206, 21582412, 43164824, 102516457, 205032914, 410065828, 820131656]

約数ペア:

[(1, 820131656), (2, 410065828), (4, 205032914), (8, 102516457), (19, 43164824), (38, 21582412), (76, 10791206), (152, 5395603), (167, 4910968), (334, 2455484), (668, 1227742), (1336, 613871), (3173, 258472), (6346, 129236), (12692, 64618), (25384, 32309)]