4389385

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 7080192

約数和(自身を除く): 2690807

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 877, 1001, 4385, 5005, 6139, 9647, 11401, 30695, 48235, 57005, 67529, 79807, 125411, 337645, 399035, 627055, 877877, 4389385]

約数ペア:

[(1, 4389385), (5, 877877), (7, 627055), (11, 399035), (13, 337645), (35, 125411), (55, 79807), (65, 67529), (77, 57005), (91, 48235), (143, 30695), (385, 11401), (455, 9647), (715, 6139), (877, 5005), (1001, 4385)]