28249308

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1547

約数の個数: 72

約数和(自身を含む): 78099840

約数和(自身を除く): 49850532

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 68, 93, 102, 124, 153, 186, 204, 279, 306, 372, 527, 558, 612, 1054, 1116, 1489, 1581, 2108, 2978, 3162, 4467, 4743, 5956, 6324, 8934, 9486, 13401, 17868, 18972, 25313, 26802, 46159, 50626, 53604, 75939, 92318, 101252, 138477, 151878, 184636, 227817, 276954, 303756, 415431, 455634, 553908, 784703, 830862, 911268, 1569406, 1661724, 2354109, 3138812, 4708218, 7062327, 9416436, 14124654, 28249308]

約数ペア:

[(1, 28249308), (2, 14124654), (3, 9416436), (4, 7062327), (6, 4708218), (9, 3138812), (12, 2354109), (17, 1661724), (18, 1569406), (31, 911268), (34, 830862), (36, 784703), (51, 553908), (62, 455634), (68, 415431), (93, 303756), (102, 276954), (124, 227817), (153, 184636), (186, 151878), (204, 138477), (279, 101252), (306, 92318), (372, 75939), (527, 53604), (558, 50626), (612, 46159), (1054, 26802), (1116, 25313), (1489, 18972), (1581, 17868), (2108, 13401), (2978, 9486), (3162, 8934), (4467, 6324), (4743, 5956)]