30831385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 11843303

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 503, 533, 943, 1495, 2515, 2665, 4715, 6539, 11569, 12259, 20623, 32695, 57845, 61295, 103115, 150397, 268099, 474329, 751985, 1340495, 2371645, 6166277, 30831385]

約数ペア:

[(1, 30831385), (5, 6166277), (13, 2371645), (23, 1340495), (41, 751985), (65, 474329), (115, 268099), (205, 150397), (299, 103115), (503, 61295), (533, 57845), (943, 32695), (1495, 20623), (2515, 12259), (2665, 11569), (4715, 6539)]