390244995

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1$

素因数の和:721

約数の個数: 96

約数和(自身を含む): 809183232

約数和(自身を除く): 418938237

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 47, 63, 105, 129, 141, 215, 235, 301, 315, 329, 387, 423, 613, 645, 705, 903, 987, 1505, 1645, 1839, 1935, 2021, 2115, 2709, 2961, 3065, 4291, 4515, 4935, 5517, 6063, 9195, 10105, 12873, 13545, 14147, 14805, 18189, 21455, 26359, 27585, 28811, 30315, 38619, 42441, 64365, 70735, 79077, 86433, 90945, 127323, 131795, 144055, 184513, 193095, 201677, 212205, 237231, 259299, 395385, 432165, 553539, 605031, 636615, 922565, 1008385, 1186155, 1238873, 1296495, 1660617, 1815093, 2767695, 3025155, 3716619, 6194365, 8303085, 8672111, 9075465, 11149857, 18583095, 26016333, 43360555, 55749285, 78048999, 130081665, 390244995]

約数ペア:

[(1, 390244995), (3, 130081665), (5, 78048999), (7, 55749285), (9, 43360555), (15, 26016333), (21, 18583095), (35, 11149857), (43, 9075465), (45, 8672111), (47, 8303085), (63, 6194365), (105, 3716619), (129, 3025155), (141, 2767695), (215, 1815093), (235, 1660617), (301, 1296495), (315, 1238873), (329, 1186155), (387, 1008385), (423, 922565), (613, 636615), (645, 605031), (705, 553539), (903, 432165), (987, 395385), (1505, 259299), (1645, 237231), (1839, 212205), (1935, 201677), (2021, 193095), (2115, 184513), (2709, 144055), (2961, 131795), (3065, 127323), (4291, 90945), (4515, 86433), (4935, 79077), (5517, 70735), (6063, 64365), (9195, 42441), (10105, 38619), (12873, 30315), (13545, 28811), (14147, 27585), (14805, 26359), (18189, 21455)]