388889793635

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{474977}}^1$

素因数の和:475295

約数の個数: 32

約数和(自身を含む): 540334972800

約数和(自身を除く): 151445179165

約数列:

[1, 5, 7, 35, 149, 157, 745, 785, 1043, 1099, 5215, 5495, 23393, 116965, 163751, 474977, 818755, 2374885, 3324839, 16624195, 70771573, 74571389, 353857865, 372856945, 495401011, 521999723, 2477005055, 2609998615, 11111136961, 55555684805, 77777958727, 388889793635]

約数ペア:

[(1, 388889793635), (5, 77777958727), (7, 55555684805), (35, 11111136961), (149, 2609998615), (157, 2477005055), (745, 521999723), (785, 495401011), (1043, 372856945), (1099, 353857865), (5215, 74571389), (5495, 70771573), (23393, 16624195), (116965, 3324839), (163751, 2374885), (474977, 818755)]