15691412890985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{509}}^1\times {\mathrm{680453}}^1$

素因数の和:681038

約数の個数: 64

約数和(自身を含む): 22037890916160

約数和(自身を除く): 6346478025175

約数列:

[1, 5, 13, 17, 41, 65, 85, 205, 221, 509, 533, 697, 1105, 2545, 2665, 3485, 6617, 8653, 9061, 20869, 33085, 43265, 45305, 104345, 112489, 271297, 354773, 562445, 680453, 1356485, 1773865, 3402265, 4612049, 8845889, 11567701, 23060245, 27898573, 44229445, 57838505, 139492865, 150380113, 346350577, 362681449, 474275741, 751900565, 1731752885, 1813407245, 2371378705, 4502557501, 5887959809, 6165584633, 14200373657, 22512787505, 29439799045, 30827923165, 71001868285, 76543477517, 184604857541, 241406352169, 382717387585, 923024287705, 1207031760845, 3138282578197, 15691412890985]

約数ペア:

[(1, 15691412890985), (5, 3138282578197), (13, 1207031760845), (17, 923024287705), (41, 382717387585), (65, 241406352169), (85, 184604857541), (205, 76543477517), (221, 71001868285), (509, 30827923165), (533, 29439799045), (697, 22512787505), (1105, 14200373657), (2545, 6165584633), (2665, 5887959809), (3485, 4502557501), (6617, 2371378705), (8653, 1813407245), (9061, 1731752885), (20869, 751900565), (33085, 474275741), (43265, 362681449), (45305, 346350577), (104345, 150380113), (112489, 139492865), (271297, 57838505), (354773, 44229445), (562445, 27898573), (680453, 23060245), (1356485, 11567701), (1773865, 8845889), (3402265, 4612049)]