78458457

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{401}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 134184384

約数和(自身を除く): 55725927

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 401, 539, 847, 1203, 1331, 1617, 2541, 2807, 3993, 4411, 5929, 8421, 9317, 13233, 17787, 19649, 27951, 30877, 48521, 58947, 65219, 92631, 145563, 195657, 216139, 339647, 533731, 648417, 1018941, 1601193, 2377529, 3736117, 7132587, 11208351, 26152819, 78458457]

約数ペア:

[(1, 78458457), (3, 26152819), (7, 11208351), (11, 7132587), (21, 3736117), (33, 2377529), (49, 1601193), (77, 1018941), (121, 648417), (147, 533731), (231, 339647), (363, 216139), (401, 195657), (539, 145563), (847, 92631), (1203, 65219), (1331, 58947), (1617, 48521), (2541, 30877), (2807, 27951), (3993, 19649), (4411, 17787), (5929, 13233), (8421, 9317)]