155970145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 205148160

約数和(自身を除く): 49178015

約数列:

[1, 5, 19, 31, 95, 155, 211, 251, 589, 1055, 1255, 2945, 4009, 4769, 6541, 7781, 20045, 23845, 32705, 38905, 52961, 124279, 147839, 264805, 621395, 739195, 1006259, 1641791, 5031295, 8208955, 31194029, 155970145]

約数ペア:

[(1, 155970145), (5, 31194029), (19, 8208955), (31, 5031295), (95, 1641791), (155, 1006259), (211, 739195), (251, 621395), (589, 264805), (1055, 147839), (1255, 124279), (2945, 52961), (4009, 38905), (4769, 32705), (6541, 23845), (7781, 20045)]