1285687552

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{162007}}^1$

素因数の和:162054

約数の個数: 36

約数和(自身を含む): 2649154816

約数和(自身を除く): 1363467264

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 162007, 324014, 648028, 1296056, 2592112, 5022217, 5184224, 10044434, 10368448, 20088868, 20736896, 40177736, 41473792, 80355472, 160710944, 321421888, 642843776, 1285687552]

約数ペア:

[(1, 1285687552), (2, 642843776), (4, 321421888), (8, 160710944), (16, 80355472), (31, 41473792), (32, 40177736), (62, 20736896), (64, 20088868), (124, 10368448), (128, 10044434), (248, 5184224), (256, 5022217), (496, 2592112), (992, 1296056), (1984, 648028), (3968, 324014), (7936, 162007)]