490627888

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{3947}}^1$

素因数の和:4429

約数の個数: 40

約数和(自身を含む): 1008966672

約数和(自身を除く): 518338784

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 457, 914, 1828, 3656, 3947, 7312, 7769, 7894, 15538, 15788, 31076, 31576, 62152, 63152, 67099, 124304, 134198, 268396, 536792, 1073584, 1803779, 3607558, 7215116, 14430232, 28860464, 30664243, 61328486, 122656972, 245313944, 490627888]

約数ペア:

[(1, 490627888), (2, 245313944), (4, 122656972), (8, 61328486), (16, 30664243), (17, 28860464), (34, 14430232), (68, 7215116), (136, 3607558), (272, 1803779), (457, 1073584), (914, 536792), (1828, 268396), (3656, 134198), (3947, 124304), (7312, 67099), (7769, 63152), (7894, 62152), (15538, 31576), (15788, 31076)]