129720745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{971}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 194835456

約数和(自身を除く): 65114711

約数列:

[1, 5, 7, 11, 35, 55, 77, 347, 385, 971, 1735, 2429, 3817, 4855, 6797, 10681, 12145, 19085, 26719, 33985, 53405, 74767, 133595, 336937, 373835, 1684685, 2358559, 3706307, 11792795, 18531535, 25944149, 129720745]

約数ペア:

[(1, 129720745), (5, 25944149), (7, 18531535), (11, 11792795), (35, 3706307), (55, 2358559), (77, 1684685), (347, 373835), (385, 336937), (971, 133595), (1735, 74767), (2429, 53405), (3817, 33985), (4855, 26719), (6797, 19085), (10681, 12145)]