221405834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{587}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 364512960

約数和(自身を除く): 143107126

約数列:

[1, 2, 13, 26, 89, 163, 178, 326, 587, 1157, 1174, 2119, 2314, 4238, 7631, 14507, 15262, 29014, 52243, 95681, 104486, 188591, 191362, 377182, 679159, 1243853, 1358318, 2487706, 8515609, 17031218, 110702917, 221405834]

約数ペア:

[(1, 221405834), (2, 110702917), (13, 17031218), (26, 8515609), (89, 2487706), (163, 1358318), (178, 1243853), (326, 679159), (587, 377182), (1157, 191362), (1174, 188591), (2119, 104486), (2314, 95681), (4238, 52243), (7631, 29014), (14507, 15262)]