25323428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 51085440

約数和(自身を除く): 25762012

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 247, 284, 361, 494, 722, 923, 988, 1349, 1444, 1846, 2698, 3692, 4693, 5396, 6859, 9386, 13718, 17537, 18772, 25631, 27436, 35074, 51262, 70148, 89167, 102524, 178334, 333203, 356668, 486989, 666406, 973978, 1332812, 1947956, 6330857, 12661714, 25323428]

約数ペア:

[(1, 25323428), (2, 12661714), (4, 6330857), (13, 1947956), (19, 1332812), (26, 973978), (38, 666406), (52, 486989), (71, 356668), (76, 333203), (142, 178334), (247, 102524), (284, 89167), (361, 70148), (494, 51262), (722, 35074), (923, 27436), (988, 25631), (1349, 18772), (1444, 17537), (1846, 13718), (2698, 9386), (3692, 6859), (4693, 5396)]