318156785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1553

約数の個数: 32

約数和(自身を含む): 420723072

約数和(自身を除く): 102566287

約数列:

[1, 5, 17, 43, 61, 85, 215, 305, 731, 1037, 1427, 2623, 3655, 5185, 7135, 13115, 24259, 44591, 61361, 87047, 121295, 222955, 306805, 435235, 1043137, 1479799, 3743021, 5215685, 7398995, 18715105, 63631357, 318156785]

約数ペア:

[(1, 318156785), (5, 63631357), (17, 18715105), (43, 7398995), (61, 5215685), (85, 3743021), (215, 1479799), (305, 1043137), (731, 435235), (1037, 306805), (1427, 222955), (2623, 121295), (3655, 87047), (5185, 61361), (7135, 44591), (13115, 24259)]