51491718

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 114285600

約数和(自身を除く): 62793882

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 149, 219, 263, 298, 438, 447, 526, 657, 789, 894, 1314, 1341, 1578, 2367, 2682, 4734, 10877, 19199, 21754, 32631, 38398, 39187, 57597, 65262, 78374, 97893, 115194, 117561, 172791, 195786, 235122, 345582, 352683, 705366, 2860651, 5721302, 8581953, 17163906, 25745859, 51491718]

約数ペア:

[(1, 51491718), (2, 25745859), (3, 17163906), (6, 8581953), (9, 5721302), (18, 2860651), (73, 705366), (146, 352683), (149, 345582), (219, 235122), (263, 195786), (298, 172791), (438, 117561), (447, 115194), (526, 97893), (657, 78374), (789, 65262), (894, 57597), (1314, 39187), (1341, 38398), (1578, 32631), (2367, 21754), (2682, 19199), (4734, 10877)]