18152225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 28331520

約数和(自身を除く): 10179295

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 101, 175, 325, 395, 455, 505, 553, 707, 1027, 1313, 1975, 2275, 2525, 2765, 3535, 5135, 6565, 7189, 7979, 9191, 13825, 17675, 25675, 32825, 35945, 39895, 45955, 55853, 103727, 179725, 199475, 229775, 279265, 518635, 726089, 1396325, 2593175, 3630445, 18152225]

約数ペア:

[(1, 18152225), (5, 3630445), (7, 2593175), (13, 1396325), (25, 726089), (35, 518635), (65, 279265), (79, 229775), (91, 199475), (101, 179725), (175, 103727), (325, 55853), (395, 45955), (455, 39895), (505, 35945), (553, 32825), (707, 25675), (1027, 17675), (1313, 13825), (1975, 9191), (2275, 7979), (2525, 7189), (2765, 6565), (3535, 5135)]