287172364

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 561043728

約数和(自身を除く): 273871364

約数列:

[1, 2, 4, 17, 34, 41, 68, 73, 82, 83, 146, 164, 166, 289, 292, 332, 578, 697, 1156, 1241, 1394, 1411, 2482, 2788, 2822, 2993, 3403, 4964, 5644, 5986, 6059, 6806, 11849, 11972, 12118, 13612, 21097, 23698, 23987, 24236, 42194, 47396, 47974, 50881, 57851, 84388, 95948, 101762, 103003, 115702, 203524, 206006, 231404, 248419, 412012, 496838, 864977, 983467, 993676, 1729954, 1751051, 1966934, 3459908, 3502102, 3933868, 4223123, 7004204, 8446246, 16892492, 71793091, 143586182, 287172364]

約数ペア:

[(1, 287172364), (2, 143586182), (4, 71793091), (17, 16892492), (34, 8446246), (41, 7004204), (68, 4223123), (73, 3933868), (82, 3502102), (83, 3459908), (146, 1966934), (164, 1751051), (166, 1729954), (289, 993676), (292, 983467), (332, 864977), (578, 496838), (697, 412012), (1156, 248419), (1241, 231404), (1394, 206006), (1411, 203524), (2482, 115702), (2788, 103003), (2822, 101762), (2993, 95948), (3403, 84388), (4964, 57851), (5644, 50881), (5986, 47974), (6059, 47396), (6806, 42194), (11849, 24236), (11972, 23987), (12118, 23698), (13612, 21097)]