198528070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 395611776

約数和(自身を除く): 197083706

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 137, 142, 157, 274, 314, 355, 685, 710, 785, 923, 1370, 1570, 1781, 1846, 2041, 3562, 4082, 4615, 8905, 9230, 9727, 10205, 11147, 17810, 19454, 20410, 21509, 22294, 43018, 48635, 55735, 97270, 107545, 111470, 126451, 144911, 215090, 252902, 279617, 289822, 559234, 632255, 724555, 1264510, 1398085, 1449110, 1527139, 2796170, 3054278, 7635695, 15271390, 19852807, 39705614, 99264035, 198528070]

約数ペア:

[(1, 198528070), (2, 99264035), (5, 39705614), (10, 19852807), (13, 15271390), (26, 7635695), (65, 3054278), (71, 2796170), (130, 1527139), (137, 1449110), (142, 1398085), (157, 1264510), (274, 724555), (314, 632255), (355, 559234), (685, 289822), (710, 279617), (785, 252902), (923, 215090), (1370, 144911), (1570, 126451), (1781, 111470), (1846, 107545), (2041, 97270), (3562, 55735), (4082, 48635), (4615, 43018), (8905, 22294), (9230, 21509), (9727, 20410), (10205, 19454), (11147, 17810)]