287485436

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9901}}^1$

素因数の和:9990

約数の個数: 48

約数和(自身を含む): 618835392

約数和(自身を除く): 331349956

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 238, 244, 427, 476, 854, 1037, 1708, 2074, 4148, 7259, 9901, 14518, 19802, 29036, 39604, 69307, 138614, 168317, 277228, 336634, 603961, 673268, 1178219, 1207922, 2356438, 2415844, 4227727, 4712876, 8455454, 10267337, 16910908, 20534674, 41069348, 71871359, 143742718, 287485436]

約数ペア:

[(1, 287485436), (2, 143742718), (4, 71871359), (7, 41069348), (14, 20534674), (17, 16910908), (28, 10267337), (34, 8455454), (61, 4712876), (68, 4227727), (119, 2415844), (122, 2356438), (238, 1207922), (244, 1178219), (427, 673268), (476, 603961), (854, 336634), (1037, 277228), (1708, 168317), (2074, 138614), (4148, 69307), (7259, 39604), (9901, 29036), (14518, 19802)]