64180285

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{503}}^1$

素因数の和:685

約数の個数: 24

約数和(自身を含む): 84115584

約数和(自身を除く): 19935299

約数列:

[1, 5, 13, 65, 151, 169, 503, 755, 845, 1963, 2515, 6539, 9815, 25519, 32695, 75953, 85007, 127595, 379765, 425035, 987389, 4936945, 12836057, 64180285]

約数ペア:

[(1, 64180285), (5, 12836057), (13, 4936945), (65, 987389), (151, 425035), (169, 379765), (503, 127595), (755, 85007), (845, 75953), (1963, 32695), (2515, 25519), (6539, 9815)]