678493511105

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1\times {\mathrm{3671}}^1$

素因数の和:4470

約数の個数: 64

約数和(自身を含む): 895436881920

約数和(自身を除く): 216943370815

約数列:

[1, 5, 19, 31, 95, 97, 155, 485, 589, 647, 1843, 2945, 3007, 3235, 3671, 9215, 12293, 15035, 18355, 20057, 57133, 61465, 62759, 69749, 100285, 113801, 285665, 313795, 348745, 356087, 381083, 569005, 1192421, 1780435, 1905415, 1945529, 2162219, 2375137, 5962105, 6765653, 9727645, 10811095, 11038697, 11875685, 33828265, 36965051, 45127603, 55193485, 73629247, 184825255, 209735243, 225638015, 230388289, 368146235, 1048676215, 1151941445, 1398955693, 4377377491, 6994778465, 7142036959, 21886887455, 35710184795, 135698702221, 678493511105]

約数ペア:

[(1, 678493511105), (5, 135698702221), (19, 35710184795), (31, 21886887455), (95, 7142036959), (97, 6994778465), (155, 4377377491), (485, 1398955693), (589, 1151941445), (647, 1048676215), (1843, 368146235), (2945, 230388289), (3007, 225638015), (3235, 209735243), (3671, 184825255), (9215, 73629247), (12293, 55193485), (15035, 45127603), (18355, 36965051), (20057, 33828265), (57133, 11875685), (61465, 11038697), (62759, 10811095), (69749, 9727645), (100285, 6765653), (113801, 5962105), (285665, 2375137), (313795, 2162219), (348745, 1945529), (356087, 1905415), (381083, 1780435), (569005, 1192421)]