81889704

素因数分解:

$2^3\times 3^4\times {\mathrm{13}}^1\times {\mathrm{9721}}^1$

素因数の和:9752

約数の個数: 80

約数和(自身を含む): 247036020

約数和(自身を除く): 165146316

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 312, 324, 351, 468, 648, 702, 936, 1053, 1404, 2106, 2808, 4212, 8424, 9721, 19442, 29163, 38884, 58326, 77768, 87489, 116652, 126373, 174978, 233304, 252746, 262467, 349956, 379119, 505492, 524934, 699912, 758238, 787401, 1010984, 1049868, 1137357, 1516476, 1574802, 2099736, 2274714, 3032952, 3149604, 3412071, 4549428, 6299208, 6824142, 9098856, 10236213, 13648284, 20472426, 27296568, 40944852, 81889704]

約数ペア:

[(1, 81889704), (2, 40944852), (3, 27296568), (4, 20472426), (6, 13648284), (8, 10236213), (9, 9098856), (12, 6824142), (13, 6299208), (18, 4549428), (24, 3412071), (26, 3149604), (27, 3032952), (36, 2274714), (39, 2099736), (52, 1574802), (54, 1516476), (72, 1137357), (78, 1049868), (81, 1010984), (104, 787401), (108, 758238), (117, 699912), (156, 524934), (162, 505492), (216, 379119), (234, 349956), (312, 262467), (324, 252746), (351, 233304), (468, 174978), (648, 126373), (702, 116652), (936, 87489), (1053, 77768), (1404, 58326), (2106, 38884), (2808, 29163), (4212, 19442), (8424, 9721)]