261715408

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{5903}}^1$

素因数の和:6091

約数の個数: 40

約数和(自身を含む): 540286848

約数和(自身を除く): 278571440

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 326, 652, 1304, 2608, 2771, 5542, 5903, 11084, 11806, 22168, 23612, 44336, 47224, 94448, 100351, 200702, 401404, 802808, 962189, 1605616, 1924378, 3848756, 7697512, 15395024, 16357213, 32714426, 65428852, 130857704, 261715408]

約数ペア:

[(1, 261715408), (2, 130857704), (4, 65428852), (8, 32714426), (16, 16357213), (17, 15395024), (34, 7697512), (68, 3848756), (136, 1924378), (163, 1605616), (272, 962189), (326, 802808), (652, 401404), (1304, 200702), (2608, 100351), (2771, 94448), (5542, 47224), (5903, 44336), (11084, 23612), (11806, 22168)]