217487704

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{853}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 485755200

約数和(自身を除く): 268267496

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 157, 203, 232, 314, 406, 628, 812, 853, 1099, 1256, 1624, 1706, 2198, 3412, 4396, 4553, 5971, 6824, 8792, 9106, 11942, 18212, 23884, 24737, 31871, 36424, 47768, 49474, 63742, 98948, 127484, 133921, 173159, 197896, 254968, 267842, 346318, 535684, 692636, 937447, 1071368, 1385272, 1874894, 3749788, 3883709, 7499576, 7767418, 15534836, 27185963, 31069672, 54371926, 108743852, 217487704]

約数ペア:

[(1, 217487704), (2, 108743852), (4, 54371926), (7, 31069672), (8, 27185963), (14, 15534836), (28, 7767418), (29, 7499576), (56, 3883709), (58, 3749788), (116, 1874894), (157, 1385272), (203, 1071368), (232, 937447), (314, 692636), (406, 535684), (628, 346318), (812, 267842), (853, 254968), (1099, 197896), (1256, 173159), (1624, 133921), (1706, 127484), (2198, 98948), (3412, 63742), (4396, 49474), (4553, 47768), (5971, 36424), (6824, 31871), (8792, 24737), (9106, 23884), (11942, 18212)]