2021570395

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:197

約数の個数: 96

約数和(自身を含む): 2921909760

約数和(自身を除く): 900339365

約数列:

[1, 5, 13, 23, 41, 43, 59, 65, 115, 169, 205, 215, 295, 299, 533, 559, 767, 845, 943, 989, 1357, 1495, 1763, 2419, 2537, 2665, 2795, 3835, 3887, 4715, 4945, 6785, 6929, 7267, 8815, 9971, 12095, 12259, 12685, 12857, 17641, 19435, 22919, 31447, 32981, 34645, 36335, 40549, 49855, 55637, 58351, 61295, 64285, 88205, 104017, 114595, 157235, 159367, 164905, 167141, 202745, 229333, 278185, 291755, 297947, 408811, 428753, 520085, 527137, 723281, 758563, 796835, 835705, 1146665, 1352221, 1489735, 2044055, 2143765, 2392391, 2635685, 3616405, 3792815, 6761105, 6852781, 9402653, 9861319, 11961955, 17578873, 31101083, 34263905, 47013265, 49306595, 87894365, 155505415, 404314079, 2021570395]

約数ペア:

[(1, 2021570395), (5, 404314079), (13, 155505415), (23, 87894365), (41, 49306595), (43, 47013265), (59, 34263905), (65, 31101083), (115, 17578873), (169, 11961955), (205, 9861319), (215, 9402653), (295, 6852781), (299, 6761105), (533, 3792815), (559, 3616405), (767, 2635685), (845, 2392391), (943, 2143765), (989, 2044055), (1357, 1489735), (1495, 1352221), (1763, 1146665), (2419, 835705), (2537, 796835), (2665, 758563), (2795, 723281), (3835, 527137), (3887, 520085), (4715, 428753), (4945, 408811), (6785, 297947), (6929, 291755), (7267, 278185), (8815, 229333), (9971, 202745), (12095, 167141), (12259, 164905), (12685, 159367), (12857, 157235), (17641, 114595), (19435, 104017), (22919, 88205), (31447, 64285), (32981, 61295), (34645, 58351), (36335, 55637), (40549, 49855)]