81732976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4051}}^1$

素因数の和:4169

約数の個数: 40

約数和(自身を含む): 172339664

約数和(自身を除く): 90606688

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1552, 2522, 4051, 5044, 8102, 10088, 16204, 20176, 32408, 52663, 64816, 105326, 210652, 392947, 421304, 785894, 842608, 1571788, 3143576, 5108311, 6287152, 10216622, 20433244, 40866488, 81732976]

約数ペア:

[(1, 81732976), (2, 40866488), (4, 20433244), (8, 10216622), (13, 6287152), (16, 5108311), (26, 3143576), (52, 1571788), (97, 842608), (104, 785894), (194, 421304), (208, 392947), (388, 210652), (776, 105326), (1261, 64816), (1552, 52663), (2522, 32408), (4051, 20176), (5044, 16204), (8102, 10088)]