215207216

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 120

約数和(自身を含む): 523399536

約数和(自身を除く): 308192320

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 49, 56, 67, 68, 98, 112, 119, 134, 136, 196, 238, 241, 268, 272, 392, 469, 476, 482, 536, 784, 833, 938, 952, 964, 1072, 1139, 1666, 1687, 1876, 1904, 1928, 2278, 3283, 3332, 3374, 3752, 3856, 4097, 4556, 6566, 6664, 6748, 7504, 7973, 8194, 9112, 11809, 13132, 13328, 13496, 15946, 16147, 16388, 18224, 23618, 26264, 26992, 28679, 31892, 32294, 32776, 47236, 52528, 55811, 57358, 63784, 64588, 65552, 94472, 111622, 113029, 114716, 127568, 129176, 188944, 200753, 223244, 226058, 229432, 258352, 274499, 401506, 446488, 452116, 458864, 548998, 791203, 803012, 892976, 904232, 1097996, 1582406, 1606024, 1808464, 1921493, 2195992, 3164812, 3212048, 3842986, 4391984, 6329624, 7685972, 12659248, 13450451, 15371944, 26900902, 30743888, 53801804, 107603608, 215207216]

約数ペア:

[(1, 215207216), (2, 107603608), (4, 53801804), (7, 30743888), (8, 26900902), (14, 15371944), (16, 13450451), (17, 12659248), (28, 7685972), (34, 6329624), (49, 4391984), (56, 3842986), (67, 3212048), (68, 3164812), (98, 2195992), (112, 1921493), (119, 1808464), (134, 1606024), (136, 1582406), (196, 1097996), (238, 904232), (241, 892976), (268, 803012), (272, 791203), (392, 548998), (469, 458864), (476, 452116), (482, 446488), (536, 401506), (784, 274499), (833, 258352), (938, 229432), (952, 226058), (964, 223244), (1072, 200753), (1139, 188944), (1666, 129176), (1687, 127568), (1876, 114716), (1904, 113029), (1928, 111622), (2278, 94472), (3283, 65552), (3332, 64588), (3374, 63784), (3752, 57358), (3856, 55811), (4097, 52528), (4556, 47236), (6566, 32776), (6664, 32294), (6748, 31892), (7504, 28679), (7973, 26992), (8194, 26264), (9112, 23618), (11809, 18224), (13132, 16388), (13328, 16147), (13496, 15946)]