1685684

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 3970176

約数和(自身を除く): 2284492

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 421, 572, 842, 1001, 1684, 2002, 2947, 4004, 4631, 5473, 5894, 9262, 10946, 11788, 18524, 21892, 32417, 38311, 60203, 64834, 76622, 120406, 129668, 153244, 240812, 421421, 842842, 1685684]

約数ペア:

[(1, 1685684), (2, 842842), (4, 421421), (7, 240812), (11, 153244), (13, 129668), (14, 120406), (22, 76622), (26, 64834), (28, 60203), (44, 38311), (52, 32417), (77, 21892), (91, 18524), (143, 11788), (154, 10946), (182, 9262), (286, 5894), (308, 5473), (364, 4631), (421, 4004), (572, 2947), (842, 2002), (1001, 1684)]