685707988

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:985

約数の個数: 72

約数和(自身を含む): 1473010560

約数和(自身を除く): 787302572

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 101, 119, 202, 238, 289, 404, 476, 578, 707, 839, 1156, 1414, 1678, 1717, 2023, 2828, 3356, 3434, 4046, 5873, 6868, 8092, 11746, 12019, 14263, 23492, 24038, 28526, 29189, 48076, 57052, 58378, 84739, 99841, 116756, 169478, 199682, 204323, 242471, 338956, 399364, 408646, 484942, 593173, 817292, 969884, 1186346, 1440563, 1697297, 2372692, 2881126, 3394594, 5762252, 6789188, 10083941, 20167882, 24489571, 40335764, 48979142, 97958284, 171426997, 342853994, 685707988]

約数ペア:

[(1, 685707988), (2, 342853994), (4, 171426997), (7, 97958284), (14, 48979142), (17, 40335764), (28, 24489571), (34, 20167882), (68, 10083941), (101, 6789188), (119, 5762252), (202, 3394594), (238, 2881126), (289, 2372692), (404, 1697297), (476, 1440563), (578, 1186346), (707, 969884), (839, 817292), (1156, 593173), (1414, 484942), (1678, 408646), (1717, 399364), (2023, 338956), (2828, 242471), (3356, 204323), (3434, 199682), (4046, 169478), (5873, 116756), (6868, 99841), (8092, 84739), (11746, 58378), (12019, 57052), (14263, 48076), (23492, 29189), (24038, 28526)]