261684876

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 659794576

約数和(自身を除く): 398109700

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 61, 68, 102, 122, 183, 204, 244, 289, 366, 578, 732, 867, 1037, 1156, 1237, 1734, 2074, 2474, 3111, 3468, 3711, 4148, 4948, 6222, 7422, 12444, 14844, 17629, 21029, 35258, 42058, 52887, 63087, 70516, 75457, 84116, 105774, 126174, 150914, 211548, 226371, 252348, 301828, 357493, 452742, 714986, 905484, 1072479, 1282769, 1429972, 2144958, 2565538, 3848307, 4289916, 5131076, 7696614, 15393228, 21807073, 43614146, 65421219, 87228292, 130842438, 261684876]

約数ペア:

[(1, 261684876), (2, 130842438), (3, 87228292), (4, 65421219), (6, 43614146), (12, 21807073), (17, 15393228), (34, 7696614), (51, 5131076), (61, 4289916), (68, 3848307), (102, 2565538), (122, 2144958), (183, 1429972), (204, 1282769), (244, 1072479), (289, 905484), (366, 714986), (578, 452742), (732, 357493), (867, 301828), (1037, 252348), (1156, 226371), (1237, 211548), (1734, 150914), (2074, 126174), (2474, 105774), (3111, 84116), (3468, 75457), (3711, 70516), (4148, 63087), (4948, 52887), (6222, 42058), (7422, 35258), (12444, 21029), (14844, 17629)]