71987216

素因数分解:

$2^4\times 7^1\times {\mathrm{397}}^1\times {\mathrm{1619}}^1$

素因数の和:2031

約数の個数: 40

約数和(自身を含む): 159900480

約数和(自身を除く): 87913264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 397, 794, 1588, 1619, 2779, 3176, 3238, 5558, 6352, 6476, 11116, 11333, 12952, 22232, 22666, 25904, 44464, 45332, 90664, 181328, 642743, 1285486, 2570972, 4499201, 5141944, 8998402, 10283888, 17996804, 35993608, 71987216]

約数ペア:

[(1, 71987216), (2, 35993608), (4, 17996804), (7, 10283888), (8, 8998402), (14, 5141944), (16, 4499201), (28, 2570972), (56, 1285486), (112, 642743), (397, 181328), (794, 90664), (1588, 45332), (1619, 44464), (2779, 25904), (3176, 22666), (3238, 22232), (5558, 12952), (6352, 11333), (6476, 11116)]