1621936

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 3414960

約数和(自身を除く): 1793024

約数列:

[1, 2, 4, 8, 16, 17, 34, 67, 68, 89, 134, 136, 178, 268, 272, 356, 536, 712, 1072, 1139, 1424, 1513, 2278, 3026, 4556, 5963, 6052, 9112, 11926, 12104, 18224, 23852, 24208, 47704, 95408, 101371, 202742, 405484, 810968, 1621936]

約数ペア:

[(1, 1621936), (2, 810968), (4, 405484), (8, 202742), (16, 101371), (17, 95408), (34, 47704), (67, 24208), (68, 23852), (89, 18224), (134, 12104), (136, 11926), (178, 9112), (268, 6052), (272, 5963), (356, 4556), (536, 3026), (712, 2278), (1072, 1513), (1139, 1424)]