221490756

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{349}}^1$

素因数の和:454

約数の個数: 108

約数和(自身を含む): 606232900

約数和(自身を除く): 384742144

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 61, 68, 102, 122, 153, 183, 204, 244, 289, 306, 349, 366, 549, 578, 612, 698, 732, 867, 1037, 1047, 1098, 1156, 1396, 1734, 2074, 2094, 2196, 2601, 3111, 3141, 3468, 4148, 4188, 5202, 5933, 6222, 6282, 9333, 10404, 11866, 12444, 12564, 17629, 17799, 18666, 21289, 23732, 35258, 35598, 37332, 42578, 52887, 53397, 63867, 70516, 71196, 85156, 100861, 105774, 106794, 127734, 158661, 191601, 201722, 211548, 213588, 255468, 302583, 317322, 361913, 383202, 403444, 605166, 634644, 723826, 766404, 907749, 1085739, 1210332, 1447652, 1815498, 2171478, 3257217, 3630996, 4342956, 6152521, 6514434, 12305042, 13028868, 18457563, 24610084, 36915126, 55372689, 73830252, 110745378, 221490756]

約数ペア:

[(1, 221490756), (2, 110745378), (3, 73830252), (4, 55372689), (6, 36915126), (9, 24610084), (12, 18457563), (17, 13028868), (18, 12305042), (34, 6514434), (36, 6152521), (51, 4342956), (61, 3630996), (68, 3257217), (102, 2171478), (122, 1815498), (153, 1447652), (183, 1210332), (204, 1085739), (244, 907749), (289, 766404), (306, 723826), (349, 634644), (366, 605166), (549, 403444), (578, 383202), (612, 361913), (698, 317322), (732, 302583), (867, 255468), (1037, 213588), (1047, 211548), (1098, 201722), (1156, 191601), (1396, 158661), (1734, 127734), (2074, 106794), (2094, 105774), (2196, 100861), (2601, 85156), (3111, 71196), (3141, 70516), (3468, 63867), (4148, 53397), (4188, 52887), (5202, 42578), (5933, 37332), (6222, 35598), (6282, 35258), (9333, 23732), (10404, 21289), (11866, 18666), (12444, 17799), (12564, 17629)]