221707370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{1979}}^1$

素因数の和:2662

約数の個数: 32

約数和(自身を含む): 423403200

約数和(自身を除く): 201695830

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 659, 1318, 1979, 3295, 3958, 6590, 9895, 11203, 19790, 22406, 33643, 56015, 67286, 112030, 168215, 336430, 1304161, 2608322, 6520805, 13041610, 22170737, 44341474, 110853685, 221707370]

約数ペア:

[(1, 221707370), (2, 110853685), (5, 44341474), (10, 22170737), (17, 13041610), (34, 6520805), (85, 2608322), (170, 1304161), (659, 336430), (1318, 168215), (1979, 112030), (3295, 67286), (3958, 56015), (6590, 33643), (9895, 22406), (11203, 19790)]