206510525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 296231040

約数和(自身を除く): 89720515

約数列:

[1, 5, 13, 19, 25, 53, 65, 95, 247, 265, 325, 475, 631, 689, 1007, 1235, 1325, 3155, 3445, 5035, 6175, 8203, 11989, 13091, 15775, 17225, 25175, 33443, 41015, 59945, 65455, 155857, 167215, 205075, 299725, 327275, 434759, 635417, 779285, 836075, 2173795, 3177085, 3896425, 8260421, 10868975, 15885425, 41302105, 206510525]

約数ペア:

[(1, 206510525), (5, 41302105), (13, 15885425), (19, 10868975), (25, 8260421), (53, 3896425), (65, 3177085), (95, 2173795), (247, 836075), (265, 779285), (325, 635417), (475, 434759), (631, 327275), (689, 299725), (1007, 205075), (1235, 167215), (1325, 155857), (3155, 65455), (3445, 59945), (5035, 41015), (6175, 33443), (8203, 25175), (11989, 17225), (13091, 15775)]