199688258

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:843

約数の個数: 64

約数和(自身を含む): 393189120

約数和(自身を除く): 193500862

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 61, 77, 122, 154, 203, 319, 406, 427, 638, 671, 733, 854, 1342, 1466, 1769, 2233, 3538, 4466, 4697, 5131, 8063, 9394, 10262, 12383, 16126, 19459, 21257, 24766, 38918, 42514, 44713, 56441, 89426, 112882, 136213, 148799, 233827, 272426, 297598, 312991, 467654, 491843, 625982, 983686, 1296677, 1636789, 2593354, 3273578, 3442901, 6885802, 9076739, 14263447, 18153478, 28526894, 99844129, 199688258]

約数ペア:

[(1, 199688258), (2, 99844129), (7, 28526894), (11, 18153478), (14, 14263447), (22, 9076739), (29, 6885802), (58, 3442901), (61, 3273578), (77, 2593354), (122, 1636789), (154, 1296677), (203, 983686), (319, 625982), (406, 491843), (427, 467654), (638, 312991), (671, 297598), (733, 272426), (854, 233827), (1342, 148799), (1466, 136213), (1769, 112882), (2233, 89426), (3538, 56441), (4466, 44713), (4697, 42514), (5131, 38918), (8063, 24766), (9394, 21257), (10262, 19459), (12383, 16126)]