199417768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2909}}^1$

素因数の和:2986

約数の個数: 64

約数和(自身を含む): 439992000

約数和(自身を除く): 240574232

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 41, 44, 76, 82, 88, 152, 164, 209, 328, 418, 451, 779, 836, 902, 1558, 1672, 1804, 2909, 3116, 3608, 5818, 6232, 8569, 11636, 17138, 23272, 31999, 34276, 55271, 63998, 68552, 110542, 119269, 127996, 221084, 238538, 255992, 442168, 477076, 607981, 954152, 1215962, 1311959, 2266111, 2431924, 2623918, 4532222, 4863848, 5247836, 9064444, 10495672, 18128888, 24927221, 49854442, 99708884, 199417768]

約数ペア:

[(1, 199417768), (2, 99708884), (4, 49854442), (8, 24927221), (11, 18128888), (19, 10495672), (22, 9064444), (38, 5247836), (41, 4863848), (44, 4532222), (76, 2623918), (82, 2431924), (88, 2266111), (152, 1311959), (164, 1215962), (209, 954152), (328, 607981), (418, 477076), (451, 442168), (779, 255992), (836, 238538), (902, 221084), (1558, 127996), (1672, 119269), (1804, 110542), (2909, 68552), (3116, 63998), (3608, 55271), (5818, 34276), (6232, 31999), (8569, 23272), (11636, 17138)]