16803670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 33493392

約数和(自身を除く): 16689722

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 163, 169, 305, 326, 338, 610, 793, 815, 845, 1586, 1630, 1690, 2119, 3965, 4238, 7930, 9943, 10309, 10595, 19886, 20618, 21190, 27547, 49715, 51545, 55094, 99430, 103090, 129259, 137735, 258518, 275470, 646295, 1292590, 1680367, 3360734, 8401835, 16803670]

約数ペア:

[(1, 16803670), (2, 8401835), (5, 3360734), (10, 1680367), (13, 1292590), (26, 646295), (61, 275470), (65, 258518), (122, 137735), (130, 129259), (163, 103090), (169, 99430), (305, 55094), (326, 51545), (338, 49715), (610, 27547), (793, 21190), (815, 20618), (845, 19886), (1586, 10595), (1630, 10309), (1690, 9943), (2119, 7930), (3965, 4238)]