1981408

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 4593456

約数和(自身を除く): 2612048

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 433, 572, 866, 1144, 1732, 2288, 3464, 4576, 4763, 5629, 6928, 9526, 11258, 13856, 19052, 22516, 38104, 45032, 61919, 76208, 90064, 123838, 152416, 180128, 247676, 495352, 990704, 1981408]

約数ペア:

[(1, 1981408), (2, 990704), (4, 495352), (8, 247676), (11, 180128), (13, 152416), (16, 123838), (22, 90064), (26, 76208), (32, 61919), (44, 45032), (52, 38104), (88, 22516), (104, 19052), (143, 13856), (176, 11258), (208, 9526), (286, 6928), (352, 5629), (416, 4763), (433, 4576), (572, 3464), (866, 2288), (1144, 1732)]