26641628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 52642464

約数和(自身を除く): 26000836

約数列:

[1, 2, 4, 13, 26, 37, 52, 61, 74, 122, 148, 227, 244, 454, 481, 793, 908, 962, 1586, 1924, 2257, 2951, 3172, 4514, 5902, 8399, 9028, 11804, 13847, 16798, 27694, 29341, 33596, 55388, 58682, 109187, 117364, 180011, 218374, 360022, 436748, 512339, 720044, 1024678, 2049356, 6660407, 13320814, 26641628]

約数ペア:

[(1, 26641628), (2, 13320814), (4, 6660407), (13, 2049356), (26, 1024678), (37, 720044), (52, 512339), (61, 436748), (74, 360022), (122, 218374), (148, 180011), (227, 117364), (244, 109187), (454, 58682), (481, 55388), (793, 33596), (908, 29341), (962, 27694), (1586, 16798), (1924, 13847), (2257, 11804), (2951, 9028), (3172, 8399), (4514, 5902)]