1856553595

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 2665643904

約数和(自身を除く): 809090309

約数列:

[1, 5, 13, 17, 41, 43, 65, 85, 205, 215, 221, 533, 559, 697, 731, 953, 1105, 1763, 2665, 2795, 3485, 3655, 4765, 8815, 9061, 9503, 12389, 16201, 22919, 29971, 39073, 40979, 45305, 47515, 61945, 81005, 114595, 149855, 195365, 204895, 210613, 389623, 507949, 532727, 664241, 696643, 1053065, 1680139, 1948115, 2539745, 2663635, 3321205, 3483215, 8400695, 8635133, 9056359, 21841807, 28562363, 43175665, 45281795, 109209035, 142811815, 371310719, 1856553595]

約数ペア:

[(1, 1856553595), (5, 371310719), (13, 142811815), (17, 109209035), (41, 45281795), (43, 43175665), (65, 28562363), (85, 21841807), (205, 9056359), (215, 8635133), (221, 8400695), (533, 3483215), (559, 3321205), (697, 2663635), (731, 2539745), (953, 1948115), (1105, 1680139), (1763, 1053065), (2665, 696643), (2795, 664241), (3485, 532727), (3655, 507949), (4765, 389623), (8815, 210613), (9061, 204895), (9503, 195365), (12389, 149855), (16201, 114595), (22919, 81005), (29971, 61945), (39073, 47515), (40979, 45305)]