199957784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{397}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 421243200

約数和(自身を除く): 221285416

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 167, 232, 334, 377, 397, 668, 754, 794, 1336, 1508, 1588, 2171, 3016, 3176, 4342, 4843, 5161, 8684, 9686, 10322, 11513, 17368, 19372, 20644, 23026, 38744, 41288, 46052, 62959, 66299, 92104, 125918, 132598, 149669, 251836, 265196, 299338, 503672, 530392, 598676, 861887, 1197352, 1723774, 1922671, 3447548, 3845342, 6895096, 7690684, 15381368, 24994723, 49989446, 99978892, 199957784]

約数ペア:

[(1, 199957784), (2, 99978892), (4, 49989446), (8, 24994723), (13, 15381368), (26, 7690684), (29, 6895096), (52, 3845342), (58, 3447548), (104, 1922671), (116, 1723774), (167, 1197352), (232, 861887), (334, 598676), (377, 530392), (397, 503672), (668, 299338), (754, 265196), (794, 251836), (1336, 149669), (1508, 132598), (1588, 125918), (2171, 92104), (3016, 66299), (3176, 62959), (4342, 46052), (4843, 41288), (5161, 38744), (8684, 23026), (9686, 20644), (10322, 19372), (11513, 17368)]