902213708

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{1123}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 1875101760

約数和(自身を除く): 972888052

約数列:

[1, 2, 4, 11, 19, 22, 31, 38, 44, 62, 76, 124, 209, 341, 418, 589, 682, 836, 961, 1123, 1178, 1364, 1922, 2246, 2356, 3844, 4492, 6479, 10571, 12353, 12958, 18259, 21142, 21337, 24706, 25916, 34813, 36518, 42284, 42674, 49412, 69626, 73036, 85348, 139252, 200849, 234707, 382943, 401698, 469414, 661447, 765886, 803396, 938828, 1079203, 1322894, 1531772, 2158406, 2645788, 4316812, 7275917, 11871233, 14551834, 20504857, 23742466, 29103668, 41009714, 47484932, 82019428, 225553427, 451106854, 902213708]

約数ペア:

[(1, 902213708), (2, 451106854), (4, 225553427), (11, 82019428), (19, 47484932), (22, 41009714), (31, 29103668), (38, 23742466), (44, 20504857), (62, 14551834), (76, 11871233), (124, 7275917), (209, 4316812), (341, 2645788), (418, 2158406), (589, 1531772), (682, 1322894), (836, 1079203), (961, 938828), (1123, 803396), (1178, 765886), (1364, 661447), (1922, 469414), (2246, 401698), (2356, 382943), (3844, 234707), (4492, 200849), (6479, 139252), (10571, 85348), (12353, 73036), (12958, 69626), (18259, 49412), (21142, 42674), (21337, 42284), (24706, 36518), (25916, 34813)]