245427845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 353928960

約数和(自身を除く): 108501115

約数列:

[1, 5, 13, 19, 37, 41, 65, 95, 131, 185, 205, 247, 481, 533, 655, 703, 779, 1235, 1517, 1703, 2405, 2489, 2665, 3515, 3895, 4847, 5371, 7585, 8515, 9139, 10127, 12445, 19721, 24235, 26855, 28823, 32357, 45695, 50635, 63011, 69823, 92093, 98605, 102049, 144115, 161785, 198727, 315055, 349115, 374699, 460465, 510245, 993635, 1197209, 1326637, 1873495, 2583451, 3775813, 5986045, 6633185, 12917255, 18879065, 49085569, 245427845]

約数ペア:

[(1, 245427845), (5, 49085569), (13, 18879065), (19, 12917255), (37, 6633185), (41, 5986045), (65, 3775813), (95, 2583451), (131, 1873495), (185, 1326637), (205, 1197209), (247, 993635), (481, 510245), (533, 460465), (655, 374699), (703, 349115), (779, 315055), (1235, 198727), (1517, 161785), (1703, 144115), (2405, 102049), (2489, 98605), (2665, 92093), (3515, 69823), (3895, 63011), (4847, 50635), (5371, 45695), (7585, 32357), (8515, 28823), (9139, 26855), (10127, 24235), (12445, 19721)]