31479745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 11288255

約数列:

[1, 5, 11, 55, 59, 89, 109, 295, 445, 545, 649, 979, 1199, 3245, 4895, 5251, 5995, 6431, 9701, 26255, 32155, 48505, 57761, 70741, 106711, 288805, 353705, 533555, 572359, 2861795, 6295949, 31479745]

約数ペア:

[(1, 31479745), (5, 6295949), (11, 2861795), (55, 572359), (59, 533555), (89, 353705), (109, 288805), (295, 106711), (445, 70741), (545, 57761), (649, 48505), (979, 32155), (1199, 26255), (3245, 9701), (4895, 6431), (5251, 5995)]