206745968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{829}}^1$

素因数の和:970

約数の個数: 80

約数和(自身を含む): 475490400

約数和(自身を除く): 268744432

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 109, 143, 176, 208, 218, 286, 436, 572, 829, 872, 1144, 1199, 1417, 1658, 1744, 2288, 2398, 2834, 3316, 4796, 5668, 6632, 9119, 9592, 10777, 11336, 13264, 15587, 18238, 19184, 21554, 22672, 31174, 36476, 43108, 62348, 72952, 86216, 90361, 118547, 124696, 145904, 172432, 180722, 237094, 249392, 361444, 474188, 722888, 948376, 993971, 1174693, 1445776, 1896752, 1987942, 2349386, 3975884, 4698772, 7951768, 9397544, 12921623, 15903536, 18795088, 25843246, 51686492, 103372984, 206745968]

約数ペア:

[(1, 206745968), (2, 103372984), (4, 51686492), (8, 25843246), (11, 18795088), (13, 15903536), (16, 12921623), (22, 9397544), (26, 7951768), (44, 4698772), (52, 3975884), (88, 2349386), (104, 1987942), (109, 1896752), (143, 1445776), (176, 1174693), (208, 993971), (218, 948376), (286, 722888), (436, 474188), (572, 361444), (829, 249392), (872, 237094), (1144, 180722), (1199, 172432), (1417, 145904), (1658, 124696), (1744, 118547), (2288, 90361), (2398, 86216), (2834, 72952), (3316, 62348), (4796, 43108), (5668, 36476), (6632, 31174), (9119, 22672), (9592, 21554), (10777, 19184), (11336, 18238), (13264, 15587)]