208432889

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 256435200

約数和(自身を除く): 48002311

約数列:

[1, 7, 29, 41, 79, 203, 287, 317, 553, 1189, 2219, 2291, 3239, 8323, 9193, 12997, 16037, 22673, 25043, 64351, 90979, 93931, 175301, 376913, 657517, 726247, 1026763, 2638391, 5083729, 7187341, 29776127, 208432889]

約数ペア:

[(1, 208432889), (7, 29776127), (29, 7187341), (41, 5083729), (79, 2638391), (203, 1026763), (287, 726247), (317, 657517), (553, 376913), (1189, 175301), (2219, 93931), (2291, 90979), (3239, 64351), (8323, 25043), (9193, 22673), (12997, 16037)]