81956994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3313}}^1$

素因数の和:3375

約数の個数: 64

約数和(自身を含む): 203612160

約数和(自身を除く): 121655166

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 93, 114, 133, 186, 217, 266, 399, 434, 589, 651, 798, 1178, 1302, 1767, 3313, 3534, 4123, 6626, 8246, 9939, 12369, 19878, 23191, 24738, 46382, 62947, 69573, 102703, 125894, 139146, 188841, 205406, 308109, 377682, 440629, 616218, 718921, 881258, 1321887, 1437842, 1951357, 2156763, 2643774, 3902714, 4313526, 5854071, 11708142, 13659499, 27318998, 40978497, 81956994]

約数ペア:

[(1, 81956994), (2, 40978497), (3, 27318998), (6, 13659499), (7, 11708142), (14, 5854071), (19, 4313526), (21, 3902714), (31, 2643774), (38, 2156763), (42, 1951357), (57, 1437842), (62, 1321887), (93, 881258), (114, 718921), (133, 616218), (186, 440629), (217, 377682), (266, 308109), (399, 205406), (434, 188841), (589, 139146), (651, 125894), (798, 102703), (1178, 69573), (1302, 62947), (1767, 46382), (3313, 24738), (3534, 23191), (4123, 19878), (6626, 12369), (8246, 9939)]