289386461

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{661}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 379024128

約数和(自身を除く): 89637667

約数列:

[1, 7, 13, 17, 91, 119, 221, 283, 661, 1547, 1981, 3679, 4627, 4811, 8593, 11237, 25753, 33677, 60151, 62543, 78659, 146081, 187063, 437801, 1022567, 1309441, 2431819, 3180071, 17022733, 22260497, 41340923, 289386461]

約数ペア:

[(1, 289386461), (7, 41340923), (13, 22260497), (17, 17022733), (91, 3180071), (119, 2431819), (221, 1309441), (283, 1022567), (661, 437801), (1547, 187063), (1981, 146081), (3679, 78659), (4627, 62543), (4811, 60151), (8593, 33677), (11237, 25753)]