398639059

素因数分解:

$7^3\times {\mathrm{13}}^3\times {\mathrm{23}}^2$

素因数の和:106

約数の個数: 48

約数和(自身を含む): 526456000

約数和(自身を除く): 127816941

約数列:

[1, 7, 13, 23, 49, 91, 161, 169, 299, 343, 529, 637, 1127, 1183, 2093, 2197, 3703, 3887, 4459, 6877, 7889, 8281, 14651, 15379, 25921, 27209, 48139, 50531, 57967, 89401, 102557, 107653, 181447, 190463, 336973, 353717, 625807, 753571, 1162213, 1333241, 2358811, 2476019, 4380649, 8135491, 17332133, 30664543, 56948437, 398639059]

約数ペア:

[(1, 398639059), (7, 56948437), (13, 30664543), (23, 17332133), (49, 8135491), (91, 4380649), (161, 2476019), (169, 2358811), (299, 1333241), (343, 1162213), (529, 753571), (637, 625807), (1127, 353717), (1183, 336973), (2093, 190463), (2197, 181447), (3703, 107653), (3887, 102557), (4459, 89401), (6877, 57967), (7889, 50531), (8281, 48139), (14651, 27209), (15379, 25921)]