431353998

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:783

約数の個数: 80

約数和(自身を含む): 1022875920

約数和(自身を除く): 591521922

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 353, 397, 513, 706, 794, 1026, 1059, 1191, 1539, 2118, 2382, 3078, 3177, 3573, 6354, 6707, 7146, 7543, 9531, 10719, 13414, 15086, 19062, 20121, 21438, 22629, 28593, 32157, 40242, 45258, 57186, 60363, 64314, 67887, 120726, 135774, 140141, 181089, 203661, 280282, 362178, 407322, 420423, 543267, 610983, 840846, 1086534, 1221966, 1261269, 2522538, 2662679, 3783807, 5325358, 7567614, 7988037, 11351421, 15976074, 22702842, 23964111, 47928222, 71892333, 143784666, 215676999, 431353998]

約数ペア:

[(1, 431353998), (2, 215676999), (3, 143784666), (6, 71892333), (9, 47928222), (18, 23964111), (19, 22702842), (27, 15976074), (38, 11351421), (54, 7988037), (57, 7567614), (81, 5325358), (114, 3783807), (162, 2662679), (171, 2522538), (342, 1261269), (353, 1221966), (397, 1086534), (513, 840846), (706, 610983), (794, 543267), (1026, 420423), (1059, 407322), (1191, 362178), (1539, 280282), (2118, 203661), (2382, 181089), (3078, 140141), (3177, 135774), (3573, 120726), (6354, 67887), (6707, 64314), (7146, 60363), (7543, 57186), (9531, 45258), (10719, 40242), (13414, 32157), (15086, 28593), (19062, 22629), (20121, 21438)]