647074945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1973}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 869823360

約数和(自身を除く): 222748415

約数列:

[1, 5, 11, 55, 67, 89, 335, 445, 737, 979, 1973, 3685, 4895, 5963, 9865, 21703, 29815, 65593, 108515, 132191, 175597, 327965, 660955, 877985, 1454101, 1931567, 7270505, 9657835, 11764999, 58824995, 129414989, 647074945]

約数ペア:

[(1, 647074945), (5, 129414989), (11, 58824995), (55, 11764999), (67, 9657835), (89, 7270505), (335, 1931567), (445, 1454101), (737, 877985), (979, 660955), (1973, 327965), (3685, 175597), (4895, 132191), (5963, 108515), (9865, 65593), (21703, 29815)]