81113408

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:415

約数の個数: 56

約数和(自身を含む): 166298880

約数和(自身を除く): 85185472

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 79, 122, 158, 244, 263, 316, 488, 526, 632, 976, 1052, 1264, 1952, 2104, 2528, 3904, 4208, 4819, 5056, 8416, 9638, 16043, 16832, 19276, 20777, 32086, 38552, 41554, 64172, 77104, 83108, 128344, 154208, 166216, 256688, 308416, 332432, 513376, 664864, 1026752, 1267397, 1329728, 2534794, 5069588, 10139176, 20278352, 40556704, 81113408]

約数ペア:

[(1, 81113408), (2, 40556704), (4, 20278352), (8, 10139176), (16, 5069588), (32, 2534794), (61, 1329728), (64, 1267397), (79, 1026752), (122, 664864), (158, 513376), (244, 332432), (263, 308416), (316, 256688), (488, 166216), (526, 154208), (632, 128344), (976, 83108), (1052, 77104), (1264, 64172), (1952, 41554), (2104, 38552), (2528, 32086), (3904, 20777), (4208, 19276), (4819, 16832), (5056, 16043), (8416, 9638)]