313625838

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 677652480

約数和(自身を除く): 364026642

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 74, 111, 138, 222, 239, 257, 478, 514, 717, 771, 851, 1434, 1542, 1702, 2553, 5106, 5497, 5911, 8843, 9509, 10994, 11822, 16491, 17686, 17733, 19018, 26529, 28527, 32982, 35466, 53058, 57054, 61423, 122846, 184269, 203389, 218707, 368538, 406778, 437414, 610167, 656121, 1220334, 1312242, 1412729, 2272651, 2825458, 4238187, 4545302, 6817953, 8476374, 13635906, 52270973, 104541946, 156812919, 313625838]

約数ペア:

[(1, 313625838), (2, 156812919), (3, 104541946), (6, 52270973), (23, 13635906), (37, 8476374), (46, 6817953), (69, 4545302), (74, 4238187), (111, 2825458), (138, 2272651), (222, 1412729), (239, 1312242), (257, 1220334), (478, 656121), (514, 610167), (717, 437414), (771, 406778), (851, 368538), (1434, 218707), (1542, 203389), (1702, 184269), (2553, 122846), (5106, 61423), (5497, 57054), (5911, 53058), (8843, 35466), (9509, 32982), (10994, 28527), (11822, 26529), (16491, 19018), (17686, 17733)]