311908316

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1\times {\mathrm{307}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 591123456

約数和(自身を除く): 279215140

約数列:

[1, 2, 4, 17, 34, 67, 68, 134, 223, 268, 307, 446, 614, 892, 1139, 1228, 2278, 3791, 4556, 5219, 7582, 10438, 14941, 15164, 20569, 20876, 29882, 41138, 59764, 68461, 82276, 136922, 253997, 273844, 349673, 507994, 699346, 1015988, 1163837, 1398692, 2327674, 4586887, 4655348, 9173774, 18347548, 77977079, 155954158, 311908316]

約数ペア:

[(1, 311908316), (2, 155954158), (4, 77977079), (17, 18347548), (34, 9173774), (67, 4655348), (68, 4586887), (134, 2327674), (223, 1398692), (268, 1163837), (307, 1015988), (446, 699346), (614, 507994), (892, 349673), (1139, 273844), (1228, 253997), (2278, 136922), (3791, 82276), (4556, 68461), (5219, 59764), (7582, 41138), (10438, 29882), (14941, 20876), (15164, 20569)]