243046688

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:726

約数の個数: 72

約数和(自身を含む): 521510724

約数和(自身を除く): 278464036

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 41, 68, 82, 136, 164, 272, 289, 328, 544, 578, 641, 656, 697, 1156, 1282, 1312, 1394, 2312, 2564, 2788, 4624, 5128, 5576, 9248, 10256, 10897, 11152, 11849, 20512, 21794, 22304, 23698, 26281, 43588, 47396, 52562, 87176, 94792, 105124, 174352, 185249, 189584, 210248, 348704, 370498, 379168, 420496, 446777, 740996, 840992, 893554, 1481992, 1787108, 2963984, 3574216, 5927968, 7148432, 7595209, 14296864, 15190418, 30380836, 60761672, 121523344, 243046688]

約数ペア:

[(1, 243046688), (2, 121523344), (4, 60761672), (8, 30380836), (16, 15190418), (17, 14296864), (32, 7595209), (34, 7148432), (41, 5927968), (68, 3574216), (82, 2963984), (136, 1787108), (164, 1481992), (272, 893554), (289, 840992), (328, 740996), (544, 446777), (578, 420496), (641, 379168), (656, 370498), (697, 348704), (1156, 210248), (1282, 189584), (1312, 185249), (1394, 174352), (2312, 105124), (2564, 94792), (2788, 87176), (4624, 52562), (5128, 47396), (5576, 43588), (9248, 26281), (10256, 23698), (10897, 22304), (11152, 21794), (11849, 20512)]