12320455

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 18063360

約数和(自身を除く): 5742905

約数列:

[1, 5, 7, 19, 35, 95, 97, 133, 191, 485, 665, 679, 955, 1337, 1843, 3395, 3629, 6685, 9215, 12901, 18145, 18527, 25403, 64505, 92635, 127015, 129689, 352013, 648445, 1760065, 2464091, 12320455]

約数ペア:

[(1, 12320455), (5, 2464091), (7, 1760065), (19, 648445), (35, 352013), (95, 129689), (97, 127015), (133, 92635), (191, 64505), (485, 25403), (665, 18527), (679, 18145), (955, 12901), (1337, 9215), (1843, 6685), (3395, 3629)]