211678628

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:190

約数の個数: 108

約数和(自身を含む): 474782868

約数和(自身を除く): 263104240

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 49, 68, 74, 98, 101, 119, 148, 196, 202, 238, 259, 289, 404, 476, 518, 578, 629, 707, 833, 1036, 1156, 1258, 1414, 1666, 1717, 1813, 2023, 2516, 2828, 3332, 3434, 3626, 3737, 4046, 4403, 4949, 6868, 7252, 7474, 8092, 8806, 9898, 10693, 12019, 14161, 14948, 17612, 19796, 21386, 24038, 26159, 28322, 29189, 30821, 42772, 48076, 52318, 56644, 58378, 61642, 63529, 74851, 84133, 104636, 116756, 123284, 127058, 149702, 168266, 183113, 204323, 254116, 299404, 336532, 366226, 408646, 444703, 523957, 732452, 817292, 889406, 1047914, 1079993, 1430261, 1778812, 2095828, 2159986, 2860522, 3112921, 4319972, 5721044, 6225842, 7559951, 12451684, 15119902, 30239804, 52919657, 105839314, 211678628]

約数ペア:

[(1, 211678628), (2, 105839314), (4, 52919657), (7, 30239804), (14, 15119902), (17, 12451684), (28, 7559951), (34, 6225842), (37, 5721044), (49, 4319972), (68, 3112921), (74, 2860522), (98, 2159986), (101, 2095828), (119, 1778812), (148, 1430261), (196, 1079993), (202, 1047914), (238, 889406), (259, 817292), (289, 732452), (404, 523957), (476, 444703), (518, 408646), (578, 366226), (629, 336532), (707, 299404), (833, 254116), (1036, 204323), (1156, 183113), (1258, 168266), (1414, 149702), (1666, 127058), (1717, 123284), (1813, 116756), (2023, 104636), (2516, 84133), (2828, 74851), (3332, 63529), (3434, 61642), (3626, 58378), (3737, 56644), (4046, 52318), (4403, 48076), (4949, 42772), (6868, 30821), (7252, 29189), (7474, 28322), (8092, 26159), (8806, 24038), (9898, 21386), (10693, 19796), (12019, 17612), (14161, 14948)]