81816444

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3179

約数の個数: 72

約数和(自身を含む): 224143920

約数和(自身を除く): 142327476

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 43, 51, 68, 86, 102, 129, 153, 172, 204, 258, 306, 387, 516, 612, 731, 774, 1462, 1548, 2193, 2924, 3109, 4386, 6218, 6579, 8772, 9327, 12436, 13158, 18654, 26316, 27981, 37308, 52853, 55962, 105706, 111924, 133687, 158559, 211412, 267374, 317118, 401061, 475677, 534748, 634236, 802122, 951354, 1203183, 1604244, 1902708, 2272679, 2406366, 4545358, 4812732, 6818037, 9090716, 13636074, 20454111, 27272148, 40908222, 81816444]

約数ペア:

[(1, 81816444), (2, 40908222), (3, 27272148), (4, 20454111), (6, 13636074), (9, 9090716), (12, 6818037), (17, 4812732), (18, 4545358), (34, 2406366), (36, 2272679), (43, 1902708), (51, 1604244), (68, 1203183), (86, 951354), (102, 802122), (129, 634236), (153, 534748), (172, 475677), (204, 401061), (258, 317118), (306, 267374), (387, 211412), (516, 158559), (612, 133687), (731, 111924), (774, 105706), (1462, 55962), (1548, 52853), (2193, 37308), (2924, 27981), (3109, 26316), (4386, 18654), (6218, 13158), (6579, 12436), (8772, 9327)]