721481832

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{527399}}^1$

素因数の和:527430

約数の個数: 48

約数和(自身を含む): 2056860000

約数和(自身を除く): 1335378168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 527399, 1054798, 1582197, 2109596, 3164394, 4219192, 4746591, 6328788, 9493182, 10020581, 12657576, 18986364, 20041162, 30061743, 37972728, 40082324, 60123486, 80164648, 90185229, 120246972, 180370458, 240493944, 360740916, 721481832]

約数ペア:

[(1, 721481832), (2, 360740916), (3, 240493944), (4, 180370458), (6, 120246972), (8, 90185229), (9, 80164648), (12, 60123486), (18, 40082324), (19, 37972728), (24, 30061743), (36, 20041162), (38, 18986364), (57, 12657576), (72, 10020581), (76, 9493182), (114, 6328788), (152, 4746591), (171, 4219192), (228, 3164394), (342, 2109596), (456, 1582197), (684, 1054798), (1368, 527399)]