2509992

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 6907680

約数和(自身を除く): 4397688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 491, 568, 639, 852, 982, 1278, 1473, 1704, 1964, 2556, 2946, 3928, 4419, 5112, 5892, 8838, 11784, 17676, 34861, 35352, 69722, 104583, 139444, 209166, 278888, 313749, 418332, 627498, 836664, 1254996, 2509992]

約数ペア:

[(1, 2509992), (2, 1254996), (3, 836664), (4, 627498), (6, 418332), (8, 313749), (9, 278888), (12, 209166), (18, 139444), (24, 104583), (36, 69722), (71, 35352), (72, 34861), (142, 17676), (213, 11784), (284, 8838), (426, 5892), (491, 5112), (568, 4419), (639, 3928), (852, 2946), (982, 2556), (1278, 1964), (1473, 1704)]