208495004

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 409410288

約数和(自身を除く): 200915284

約数列:

[1, 2, 4, 17, 34, 41, 53, 68, 82, 83, 106, 164, 166, 212, 289, 332, 578, 697, 901, 1156, 1394, 1411, 1802, 2173, 2788, 2822, 3403, 3604, 4346, 4399, 5644, 6806, 8692, 8798, 11849, 13612, 15317, 17596, 23698, 23987, 30634, 36941, 47396, 47974, 57851, 61268, 73882, 74783, 95948, 115702, 147764, 149566, 180359, 231404, 299132, 360718, 627997, 721436, 983467, 1255994, 1271311, 1966934, 2511988, 2542622, 3066103, 3933868, 5085244, 6132206, 12264412, 52123751, 104247502, 208495004]

約数ペア:

[(1, 208495004), (2, 104247502), (4, 52123751), (17, 12264412), (34, 6132206), (41, 5085244), (53, 3933868), (68, 3066103), (82, 2542622), (83, 2511988), (106, 1966934), (164, 1271311), (166, 1255994), (212, 983467), (289, 721436), (332, 627997), (578, 360718), (697, 299132), (901, 231404), (1156, 180359), (1394, 149566), (1411, 147764), (1802, 115702), (2173, 95948), (2788, 74783), (2822, 73882), (3403, 61268), (3604, 57851), (4346, 47974), (4399, 47396), (5644, 36941), (6806, 30634), (8692, 23987), (8798, 23698), (11849, 17596), (13612, 15317)]