307939709

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 424673280

約数和(自身を除く): 116733571

約数列:

[1, 7, 11, 23, 31, 71, 77, 79, 161, 217, 253, 341, 497, 553, 713, 781, 869, 1633, 1771, 1817, 2201, 2387, 2449, 4991, 5467, 5609, 6083, 7843, 11431, 12719, 15407, 17143, 17963, 19987, 24211, 26939, 39263, 50623, 54901, 56327, 61699, 125741, 129007, 139909, 169477, 173879, 188573, 354361, 394289, 431893, 556853, 619597, 903049, 1217153, 1419077, 1912669, 3897971, 3999217, 4337179, 9933539, 13388683, 27994519, 43991387, 307939709]

約数ペア:

[(1, 307939709), (7, 43991387), (11, 27994519), (23, 13388683), (31, 9933539), (71, 4337179), (77, 3999217), (79, 3897971), (161, 1912669), (217, 1419077), (253, 1217153), (341, 903049), (497, 619597), (553, 556853), (713, 431893), (781, 394289), (869, 354361), (1633, 188573), (1771, 173879), (1817, 169477), (2201, 139909), (2387, 129007), (2449, 125741), (4991, 61699), (5467, 56327), (5609, 54901), (6083, 50623), (7843, 39263), (11431, 26939), (12719, 24211), (15407, 19987), (17143, 17963)]