191988412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{991}}^1$

素因数の和:1067

約数の個数: 96

約数和(自身を含む): 455970816

約数和(自身を除く): 263982404

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 37, 44, 68, 74, 77, 119, 148, 154, 187, 238, 259, 308, 374, 407, 476, 518, 629, 748, 814, 991, 1036, 1258, 1309, 1628, 1982, 2516, 2618, 2849, 3964, 4403, 5236, 5698, 6919, 6937, 8806, 10901, 11396, 13838, 13874, 16847, 17612, 21802, 27676, 27748, 33694, 36667, 43604, 48433, 67388, 73334, 76307, 96866, 117929, 146668, 152614, 185317, 193732, 235858, 256669, 305228, 370634, 403337, 471716, 513338, 623339, 741268, 806674, 1026676, 1246678, 1297219, 1613348, 2493356, 2594438, 2823359, 4363373, 5188876, 5646718, 6856729, 8726746, 11293436, 13713458, 17453492, 27426916, 47997103, 95994206, 191988412]

約数ペア:

[(1, 191988412), (2, 95994206), (4, 47997103), (7, 27426916), (11, 17453492), (14, 13713458), (17, 11293436), (22, 8726746), (28, 6856729), (34, 5646718), (37, 5188876), (44, 4363373), (68, 2823359), (74, 2594438), (77, 2493356), (119, 1613348), (148, 1297219), (154, 1246678), (187, 1026676), (238, 806674), (259, 741268), (308, 623339), (374, 513338), (407, 471716), (476, 403337), (518, 370634), (629, 305228), (748, 256669), (814, 235858), (991, 193732), (1036, 185317), (1258, 152614), (1309, 146668), (1628, 117929), (1982, 96866), (2516, 76307), (2618, 73334), (2849, 67388), (3964, 48433), (4403, 43604), (5236, 36667), (5698, 33694), (6919, 27748), (6937, 27676), (8806, 21802), (10901, 17612), (11396, 16847), (13838, 13874)]