12819625

素因数分解:

$5^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:72

約数の個数: 64

約数和(自身を含む): 20966400

約数和(自身を除く): 8146775

約数列:

[1, 5, 7, 13, 23, 25, 35, 49, 65, 91, 115, 125, 161, 175, 245, 299, 325, 343, 455, 575, 637, 805, 875, 1127, 1225, 1495, 1625, 1715, 2093, 2275, 2875, 3185, 4025, 4459, 5635, 6125, 7475, 7889, 8575, 10465, 11375, 14651, 15925, 20125, 22295, 28175, 37375, 39445, 42875, 52325, 73255, 79625, 102557, 111475, 140875, 197225, 261625, 366275, 512785, 557375, 986125, 1831375, 2563925, 12819625]

約数ペア:

[(1, 12819625), (5, 2563925), (7, 1831375), (13, 986125), (23, 557375), (25, 512785), (35, 366275), (49, 261625), (65, 197225), (91, 140875), (115, 111475), (125, 102557), (161, 79625), (175, 73255), (245, 52325), (299, 42875), (325, 39445), (343, 37375), (455, 28175), (575, 22295), (637, 20125), (805, 15925), (875, 14651), (1127, 11375), (1225, 10465), (1495, 8575), (1625, 7889), (1715, 7475), (2093, 6125), (2275, 5635), (2875, 4459), (3185, 4025)]