81209762

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:446

約数の個数: 32

約数和(自身を含む): 131604480

約数和(自身を除く): 50394718

約数列:

[1, 2, 19, 38, 67, 134, 167, 191, 334, 382, 1273, 2546, 3173, 3629, 6346, 7258, 11189, 12797, 22378, 25594, 31897, 63794, 212591, 243143, 425182, 486286, 606043, 1212086, 2137099, 4274198, 40604881, 81209762]

約数ペア:

[(1, 81209762), (2, 40604881), (19, 4274198), (38, 2137099), (67, 1212086), (134, 606043), (167, 486286), (191, 425182), (334, 243143), (382, 212591), (1273, 63794), (2546, 31897), (3173, 25594), (3629, 22378), (6346, 12797), (7258, 11189)]