681984342

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{171439}}^1$

素因数の和:171477

約数の個数: 48

約数和(自身を含む): 1684912320

約数和(自身を除く): 1002927978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 171439, 342878, 514317, 1028634, 1542951, 2228707, 2914463, 3085902, 4457414, 5828926, 6686121, 8743389, 13372242, 17486778, 20058363, 26230167, 37888019, 40116726, 52460334, 75776038, 113664057, 227328114, 340992171, 681984342]

約数ペア:

[(1, 681984342), (2, 340992171), (3, 227328114), (6, 113664057), (9, 75776038), (13, 52460334), (17, 40116726), (18, 37888019), (26, 26230167), (34, 20058363), (39, 17486778), (51, 13372242), (78, 8743389), (102, 6686121), (117, 5828926), (153, 4457414), (221, 3085902), (234, 2914463), (306, 2228707), (442, 1542951), (663, 1028634), (1326, 514317), (1989, 342878), (3978, 171439)]