258451388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1381}}^1$

素因数の和:1518

約数の個数: 48

約数和(自身を含む): 503821920

約数和(自身を除く): 245370532

約数列:

[1, 2, 4, 13, 26, 52, 59, 61, 118, 122, 236, 244, 767, 793, 1381, 1534, 1586, 2762, 3068, 3172, 3599, 5524, 7198, 14396, 17953, 35906, 46787, 71812, 81479, 84241, 93574, 162958, 168482, 187148, 325916, 336964, 1059227, 1095133, 2118454, 2190266, 4236908, 4380532, 4970219, 9940438, 19880876, 64612847, 129225694, 258451388]

約数ペア:

[(1, 258451388), (2, 129225694), (4, 64612847), (13, 19880876), (26, 9940438), (52, 4970219), (59, 4380532), (61, 4236908), (118, 2190266), (122, 2118454), (236, 1095133), (244, 1059227), (767, 336964), (793, 325916), (1381, 187148), (1534, 168482), (1586, 162958), (2762, 93574), (3068, 84241), (3172, 81479), (3599, 71812), (5524, 46787), (7198, 35906), (14396, 17953)]