17663425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 26248320

約数和(自身を除く): 8584895

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 115, 139, 221, 299, 325, 391, 425, 575, 695, 1105, 1495, 1807, 1955, 2363, 3197, 3475, 5083, 5525, 7475, 9035, 9775, 11815, 15985, 25415, 30719, 41561, 45175, 54349, 59075, 79925, 127075, 153595, 207805, 271745, 706537, 767975, 1039025, 1358725, 3532685, 17663425]

約数ペア:

[(1, 17663425), (5, 3532685), (13, 1358725), (17, 1039025), (23, 767975), (25, 706537), (65, 271745), (85, 207805), (115, 153595), (139, 127075), (221, 79925), (299, 59075), (325, 54349), (391, 45175), (425, 41561), (575, 30719), (695, 25415), (1105, 15985), (1495, 11815), (1807, 9775), (1955, 9035), (2363, 7475), (3197, 5525), (3475, 5083)]