81724788

素因数分解:

$2^2\times 3^5\times {\mathrm{83}}^1\times {\mathrm{1013}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 217028448

約数和(自身を除く): 135303660

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 83, 108, 162, 166, 243, 249, 324, 332, 486, 498, 747, 972, 996, 1013, 1494, 2026, 2241, 2988, 3039, 4052, 4482, 6078, 6723, 8964, 9117, 12156, 13446, 18234, 20169, 26892, 27351, 36468, 40338, 54702, 80676, 82053, 84079, 109404, 164106, 168158, 246159, 252237, 328212, 336316, 492318, 504474, 756711, 984636, 1008948, 1513422, 2270133, 3026844, 4540266, 6810399, 9080532, 13620798, 20431197, 27241596, 40862394, 81724788]

約数ペア:

[(1, 81724788), (2, 40862394), (3, 27241596), (4, 20431197), (6, 13620798), (9, 9080532), (12, 6810399), (18, 4540266), (27, 3026844), (36, 2270133), (54, 1513422), (81, 1008948), (83, 984636), (108, 756711), (162, 504474), (166, 492318), (243, 336316), (249, 328212), (324, 252237), (332, 246159), (486, 168158), (498, 164106), (747, 109404), (972, 84079), (996, 82053), (1013, 80676), (1494, 54702), (2026, 40338), (2241, 36468), (2988, 27351), (3039, 26892), (4052, 20169), (4482, 18234), (6078, 13446), (6723, 12156), (8964, 9117)]