221921808

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{283}}^1$

素因数の和:373

約数の個数: 120

約数和(自身を含む): 629450784

約数和(自身を除く): 407528976

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 31, 34, 48, 51, 62, 68, 93, 102, 124, 136, 186, 204, 248, 272, 283, 372, 408, 496, 527, 566, 744, 816, 849, 961, 1054, 1132, 1488, 1581, 1698, 1922, 2108, 2264, 2883, 3162, 3396, 3844, 4216, 4528, 4811, 5766, 6324, 6792, 7688, 8432, 8773, 9622, 11532, 12648, 13584, 14433, 15376, 16337, 17546, 19244, 23064, 25296, 26319, 28866, 32674, 35092, 38488, 46128, 49011, 52638, 57732, 65348, 70184, 76976, 98022, 105276, 115464, 130696, 140368, 149141, 196044, 210552, 230928, 261392, 271963, 298282, 392088, 421104, 447423, 543926, 596564, 784176, 815889, 894846, 1087852, 1193128, 1631778, 1789692, 2175704, 2386256, 3263556, 3579384, 4351408, 4623371, 6527112, 7158768, 9246742, 13054224, 13870113, 18493484, 27740226, 36986968, 55480452, 73973936, 110960904, 221921808]

約数ペア:

[(1, 221921808), (2, 110960904), (3, 73973936), (4, 55480452), (6, 36986968), (8, 27740226), (12, 18493484), (16, 13870113), (17, 13054224), (24, 9246742), (31, 7158768), (34, 6527112), (48, 4623371), (51, 4351408), (62, 3579384), (68, 3263556), (93, 2386256), (102, 2175704), (124, 1789692), (136, 1631778), (186, 1193128), (204, 1087852), (248, 894846), (272, 815889), (283, 784176), (372, 596564), (408, 543926), (496, 447423), (527, 421104), (566, 392088), (744, 298282), (816, 271963), (849, 261392), (961, 230928), (1054, 210552), (1132, 196044), (1488, 149141), (1581, 140368), (1698, 130696), (1922, 115464), (2108, 105276), (2264, 98022), (2883, 76976), (3162, 70184), (3396, 65348), (3844, 57732), (4216, 52638), (4528, 49011), (4811, 46128), (5766, 38488), (6324, 35092), (6792, 32674), (7688, 28866), (8432, 26319), (8773, 25296), (9622, 23064), (11532, 19244), (12648, 17546), (13584, 16337), (14433, 15376)]