28723345

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{919}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 13670255

約数列:

[1, 5, 7, 19, 35, 47, 95, 133, 235, 329, 665, 893, 919, 1645, 4465, 4595, 6251, 6433, 17461, 31255, 32165, 43193, 87305, 122227, 215965, 302351, 611135, 820667, 1511755, 4103335, 5744669, 28723345]

約数ペア:

[(1, 28723345), (5, 5744669), (7, 4103335), (19, 1511755), (35, 820667), (47, 611135), (95, 302351), (133, 215965), (235, 122227), (329, 87305), (665, 43193), (893, 32165), (919, 31255), (1645, 17461), (4465, 6433), (4595, 6251)]