199231792

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:278

約数の個数: 80

約数和(自身を含む): 416473344

約数和(自身を除く): 217241552

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 97, 101, 124, 164, 194, 202, 248, 328, 388, 404, 496, 656, 776, 808, 1271, 1552, 1616, 2542, 3007, 3131, 3977, 4141, 5084, 6014, 6262, 7954, 8282, 9797, 10168, 12028, 12524, 15908, 16564, 19594, 20336, 24056, 25048, 31816, 33128, 39188, 48112, 50096, 63632, 66256, 78376, 123287, 128371, 156752, 246574, 256742, 303707, 401677, 493148, 513484, 607414, 803354, 986296, 1026968, 1214828, 1606708, 1972592, 2053936, 2429656, 3213416, 4859312, 6426832, 12451987, 24903974, 49807948, 99615896, 199231792]

約数ペア:

[(1, 199231792), (2, 99615896), (4, 49807948), (8, 24903974), (16, 12451987), (31, 6426832), (41, 4859312), (62, 3213416), (82, 2429656), (97, 2053936), (101, 1972592), (124, 1606708), (164, 1214828), (194, 1026968), (202, 986296), (248, 803354), (328, 607414), (388, 513484), (404, 493148), (496, 401677), (656, 303707), (776, 256742), (808, 246574), (1271, 156752), (1552, 128371), (1616, 123287), (2542, 78376), (3007, 66256), (3131, 63632), (3977, 50096), (4141, 48112), (5084, 39188), (6014, 33128), (6262, 31816), (7954, 25048), (8282, 24056), (9797, 20336), (10168, 19594), (12028, 16564), (12524, 15908)]