258642725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{839}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 374976000

約数和(自身を除く): 116333275

約数列:

[1, 5, 11, 19, 25, 55, 59, 95, 209, 275, 295, 475, 649, 839, 1045, 1121, 1475, 3245, 4195, 5225, 5605, 9229, 12331, 15941, 16225, 20975, 28025, 46145, 49501, 61655, 79705, 175351, 230725, 247505, 308275, 398525, 544511, 876755, 940519, 1237525, 2722555, 4383775, 4702595, 10345709, 13612775, 23512975, 51728545, 258642725]

約数ペア:

[(1, 258642725), (5, 51728545), (11, 23512975), (19, 13612775), (25, 10345709), (55, 4702595), (59, 4383775), (95, 2722555), (209, 1237525), (275, 940519), (295, 876755), (475, 544511), (649, 398525), (839, 308275), (1045, 247505), (1121, 230725), (1475, 175351), (3245, 79705), (4195, 61655), (5225, 49501), (5605, 46145), (9229, 28025), (12331, 20975), (15941, 16225)]