2170204855

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1063}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 3270625344

約数和(自身を除く): 1100420489

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 641, 1063, 3185, 3205, 4487, 5315, 7441, 8333, 13819, 22435, 31409, 37205, 41665, 52087, 58331, 69095, 96733, 157045, 260435, 291655, 408317, 483665, 677131, 681383, 2041585, 3385655, 3406915, 4769681, 8857979, 23848405, 33387767, 44289895, 62005853, 166938835, 310029265, 434040971, 2170204855]

約数ペア:

[(1, 2170204855), (5, 434040971), (7, 310029265), (13, 166938835), (35, 62005853), (49, 44289895), (65, 33387767), (91, 23848405), (245, 8857979), (455, 4769681), (637, 3406915), (641, 3385655), (1063, 2041585), (3185, 681383), (3205, 677131), (4487, 483665), (5315, 408317), (7441, 291655), (8333, 260435), (13819, 157045), (22435, 96733), (31409, 69095), (37205, 58331), (41665, 52087)]