31221316

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 66842496

約数和(自身を除く): 35621180

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 107, 119, 214, 238, 428, 476, 613, 749, 1226, 1498, 1819, 2452, 2996, 3638, 4291, 7276, 8582, 10421, 12733, 17164, 20842, 25466, 41684, 50932, 65591, 72947, 131182, 145894, 262364, 291788, 459137, 918274, 1115047, 1836548, 2230094, 4460188, 7805329, 15610658, 31221316]

約数ペア:

[(1, 31221316), (2, 15610658), (4, 7805329), (7, 4460188), (14, 2230094), (17, 1836548), (28, 1115047), (34, 918274), (68, 459137), (107, 291788), (119, 262364), (214, 145894), (238, 131182), (428, 72947), (476, 65591), (613, 50932), (749, 41684), (1226, 25466), (1498, 20842), (1819, 17164), (2452, 12733), (2996, 10421), (3638, 8582), (4291, 7276)]