81974416

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 174988800

約数和(自身を除く): 93014384

約数列:

[1, 2, 4, 8, 16, 29, 31, 41, 58, 62, 82, 116, 124, 139, 164, 232, 248, 278, 328, 464, 496, 556, 656, 899, 1112, 1189, 1271, 1798, 2224, 2378, 2542, 3596, 4031, 4309, 4756, 5084, 5699, 7192, 8062, 8618, 9512, 10168, 11398, 14384, 16124, 17236, 19024, 20336, 22796, 32248, 34472, 36859, 45592, 64496, 68944, 73718, 91184, 124961, 147436, 165271, 176669, 249922, 294872, 330542, 353338, 499844, 589744, 661084, 706676, 999688, 1322168, 1413352, 1999376, 2644336, 2826704, 5123401, 10246802, 20493604, 40987208, 81974416]

約数ペア:

[(1, 81974416), (2, 40987208), (4, 20493604), (8, 10246802), (16, 5123401), (29, 2826704), (31, 2644336), (41, 1999376), (58, 1413352), (62, 1322168), (82, 999688), (116, 706676), (124, 661084), (139, 589744), (164, 499844), (232, 353338), (248, 330542), (278, 294872), (328, 249922), (464, 176669), (496, 165271), (556, 147436), (656, 124961), (899, 91184), (1112, 73718), (1189, 68944), (1271, 64496), (1798, 45592), (2224, 36859), (2378, 34472), (2542, 32248), (3596, 22796), (4031, 20336), (4309, 19024), (4756, 17236), (5084, 16124), (5699, 14384), (7192, 11398), (8062, 10168), (8618, 9512)]