277042272

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{221989}}^1$

素因数の和:222015

約数の個数: 48

約数和(自身を含む): 783180720

約数和(自身を除く): 506138448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 221989, 443978, 665967, 887956, 1331934, 1775912, 2663868, 2885857, 3551824, 5327736, 5771714, 7103648, 8657571, 10655472, 11543428, 17315142, 21310944, 23086856, 34630284, 46173712, 69260568, 92347424, 138521136, 277042272]

約数ペア:

[(1, 277042272), (2, 138521136), (3, 92347424), (4, 69260568), (6, 46173712), (8, 34630284), (12, 23086856), (13, 21310944), (16, 17315142), (24, 11543428), (26, 10655472), (32, 8657571), (39, 7103648), (48, 5771714), (52, 5327736), (78, 3551824), (96, 2885857), (104, 2663868), (156, 1775912), (208, 1331934), (312, 887956), (416, 665967), (624, 443978), (1248, 221989)]