209933269

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{641}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 267482880

約数和(自身を除く): 57549611

約数列:

[1, 7, 13, 59, 61, 91, 413, 427, 641, 767, 793, 3599, 4487, 5369, 5551, 8333, 25193, 37819, 39101, 46787, 58331, 264733, 273707, 327509, 491647, 508313, 2306959, 3441529, 3558191, 16148713, 29990467, 209933269]

約数ペア:

[(1, 209933269), (7, 29990467), (13, 16148713), (59, 3558191), (61, 3441529), (91, 2306959), (413, 508313), (427, 491647), (641, 327509), (767, 273707), (793, 264733), (3599, 58331), (4487, 46787), (5369, 39101), (5551, 37819), (8333, 25193)]