217670778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{811}}^1$

素因数の和:900

約数の個数: 96

約数和(自身を含む): 539116032

約数和(自身を除く): 321445254

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 37, 39, 62, 74, 78, 93, 111, 117, 186, 222, 234, 279, 333, 403, 481, 558, 666, 806, 811, 962, 1147, 1209, 1443, 1622, 2294, 2418, 2433, 2886, 3441, 3627, 4329, 4866, 6882, 7254, 7299, 8658, 10323, 10543, 14598, 14911, 20646, 21086, 25141, 29822, 30007, 31629, 44733, 50282, 60014, 63258, 75423, 89466, 90021, 94887, 134199, 150846, 180042, 189774, 226269, 268398, 270063, 326833, 390091, 452538, 540126, 653666, 780182, 930217, 980499, 1170273, 1860434, 1960998, 2340546, 2790651, 2941497, 3510819, 5581302, 5882994, 7021638, 8371953, 12092821, 16743906, 24185642, 36278463, 72556926, 108835389, 217670778]

約数ペア:

[(1, 217670778), (2, 108835389), (3, 72556926), (6, 36278463), (9, 24185642), (13, 16743906), (18, 12092821), (26, 8371953), (31, 7021638), (37, 5882994), (39, 5581302), (62, 3510819), (74, 2941497), (78, 2790651), (93, 2340546), (111, 1960998), (117, 1860434), (186, 1170273), (222, 980499), (234, 930217), (279, 780182), (333, 653666), (403, 540126), (481, 452538), (558, 390091), (666, 326833), (806, 270063), (811, 268398), (962, 226269), (1147, 189774), (1209, 180042), (1443, 150846), (1622, 134199), (2294, 94887), (2418, 90021), (2433, 89466), (2886, 75423), (3441, 63258), (3627, 60014), (4329, 50282), (4866, 44733), (6882, 31629), (7254, 30007), (7299, 29822), (8658, 25141), (10323, 21086), (10543, 20646), (14598, 14911)]