28401890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8329}}^1$

素因数の和:8378

約数の個数: 32

約数和(自身を含む): 57576960

約数和(自身を除く): 29175070

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 8329, 16658, 41645, 83290, 91619, 183238, 258199, 458095, 516398, 916190, 1290995, 2581990, 2840189, 5680378, 14200945, 28401890]

約数ペア:

[(1, 28401890), (2, 14200945), (5, 5680378), (10, 2840189), (11, 2581990), (22, 1290995), (31, 916190), (55, 516398), (62, 458095), (110, 258199), (155, 183238), (310, 91619), (341, 83290), (682, 41645), (1705, 16658), (3410, 8329)]