208597428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23459}}^1$

素因数の和:23501

約数の個数: 72

約数和(自身を含む): 597760800

約数和(自身を除く): 389163372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 23459, 46918, 70377, 93836, 140754, 211131, 281508, 304967, 422262, 445721, 609934, 844524, 891442, 914901, 1219868, 1337163, 1782884, 1829802, 2674326, 2744703, 3659604, 4011489, 5348652, 5489406, 5794373, 8022978, 10978812, 11588746, 16045956, 17383119, 23177492, 34766238, 52149357, 69532476, 104298714, 208597428]

約数ペア:

[(1, 208597428), (2, 104298714), (3, 69532476), (4, 52149357), (6, 34766238), (9, 23177492), (12, 17383119), (13, 16045956), (18, 11588746), (19, 10978812), (26, 8022978), (36, 5794373), (38, 5489406), (39, 5348652), (52, 4011489), (57, 3659604), (76, 2744703), (78, 2674326), (114, 1829802), (117, 1782884), (156, 1337163), (171, 1219868), (228, 914901), (234, 891442), (247, 844524), (342, 609934), (468, 445721), (494, 422262), (684, 304967), (741, 281508), (988, 211131), (1482, 140754), (2223, 93836), (2964, 70377), (4446, 46918), (8892, 23459)]