1278472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 2721600

約数和(自身を除く): 1443128

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 647, 988, 1294, 1976, 2588, 5176, 8411, 12293, 16822, 24586, 33644, 49172, 67288, 98344, 159809, 319618, 639236, 1278472]

約数ペア:

[(1, 1278472), (2, 639236), (4, 319618), (8, 159809), (13, 98344), (19, 67288), (26, 49172), (38, 33644), (52, 24586), (76, 16822), (104, 12293), (152, 8411), (247, 5176), (494, 2588), (647, 1976), (988, 1294)]