81244336

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 161708400

約数和(自身を除く): 80464064

約数列:

[1, 2, 4, 8, 16, 53, 106, 149, 212, 298, 424, 596, 643, 848, 1192, 1286, 2384, 2572, 5144, 7897, 10288, 15794, 31588, 34079, 63176, 68158, 95807, 126352, 136316, 191614, 272632, 383228, 545264, 766456, 1532912, 5077771, 10155542, 20311084, 40622168, 81244336]

約数ペア:

[(1, 81244336), (2, 40622168), (4, 20311084), (8, 10155542), (16, 5077771), (53, 1532912), (106, 766456), (149, 545264), (212, 383228), (298, 272632), (424, 191614), (596, 136316), (643, 126352), (848, 95807), (1192, 68158), (1286, 63176), (2384, 34079), (2572, 31588), (5144, 15794), (7897, 10288)]