839870305

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 1063756800

約数和(自身を除く): 223886495

約数列:

[1, 5, 29, 89, 145, 151, 431, 445, 755, 2155, 2581, 4379, 12499, 12905, 13439, 21895, 38359, 62495, 65081, 67195, 191795, 325405, 389731, 1112411, 1887349, 1948655, 5562055, 5792209, 9436745, 28961045, 167974061, 839870305]

約数ペア:

[(1, 839870305), (5, 167974061), (29, 28961045), (89, 9436745), (145, 5792209), (151, 5562055), (431, 1948655), (445, 1887349), (755, 1112411), (2155, 389731), (2581, 325405), (4379, 191795), (12499, 67195), (12905, 65081), (13439, 62495), (21895, 38359)]