81904816

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 189987840

約数和(自身を除く): 108083024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 151, 167, 203, 232, 302, 334, 406, 464, 604, 668, 812, 1057, 1169, 1208, 1336, 1624, 2114, 2338, 2416, 2672, 3248, 4228, 4379, 4676, 4843, 8456, 8758, 9352, 9686, 16912, 17516, 18704, 19372, 25217, 30653, 33901, 35032, 38744, 50434, 61306, 67802, 70064, 77488, 100868, 122612, 135604, 176519, 201736, 245224, 271208, 353038, 403472, 490448, 542416, 706076, 731293, 1412152, 1462586, 2824304, 2925172, 5119051, 5850344, 10238102, 11700688, 20476204, 40952408, 81904816]

約数ペア:

[(1, 81904816), (2, 40952408), (4, 20476204), (7, 11700688), (8, 10238102), (14, 5850344), (16, 5119051), (28, 2925172), (29, 2824304), (56, 1462586), (58, 1412152), (112, 731293), (116, 706076), (151, 542416), (167, 490448), (203, 403472), (232, 353038), (302, 271208), (334, 245224), (406, 201736), (464, 176519), (604, 135604), (668, 122612), (812, 100868), (1057, 77488), (1169, 70064), (1208, 67802), (1336, 61306), (1624, 50434), (2114, 38744), (2338, 35032), (2416, 33901), (2672, 30653), (3248, 25217), (4228, 19372), (4379, 18704), (4676, 17516), (4843, 16912), (8456, 9686), (8758, 9352)]