81207776

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11483}}^1$

素因数の和:11523

約数の個数: 48

約数和(自身を含む): 182319984

約数和(自身を除く): 101112208

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 7072, 11483, 22966, 45932, 91864, 149279, 183728, 195211, 298558, 367456, 390422, 597116, 780844, 1194232, 1561688, 2388464, 2537743, 3123376, 4776928, 5075486, 6246752, 10150972, 20301944, 40603888, 81207776]

約数ペア:

[(1, 81207776), (2, 40603888), (4, 20301944), (8, 10150972), (13, 6246752), (16, 5075486), (17, 4776928), (26, 3123376), (32, 2537743), (34, 2388464), (52, 1561688), (68, 1194232), (104, 780844), (136, 597116), (208, 390422), (221, 367456), (272, 298558), (416, 195211), (442, 183728), (544, 149279), (884, 91864), (1768, 45932), (3536, 22966), (7072, 11483)]