81891576

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87491}}^1$

素因数の和:87516

約数の個数: 48

約数和(自身を含む): 238853160

約数和(自身を除く): 156961584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 87491, 174982, 262473, 349964, 524946, 699928, 787419, 1049892, 1137383, 1574838, 2099784, 2274766, 3149676, 3412149, 4549532, 6299352, 6824298, 9099064, 10236447, 13648596, 20472894, 27297192, 40945788, 81891576]

約数ペア:

[(1, 81891576), (2, 40945788), (3, 27297192), (4, 20472894), (6, 13648596), (8, 10236447), (9, 9099064), (12, 6824298), (13, 6299352), (18, 4549532), (24, 3412149), (26, 3149676), (36, 2274766), (39, 2099784), (52, 1574838), (72, 1137383), (78, 1049892), (104, 787419), (117, 699928), (156, 524946), (234, 349964), (312, 262473), (468, 174982), (936, 87491)]