2639216

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:369

約数の個数: 40

約数和(自身を含む): 5606784

約数和(自身を除く): 2967568

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 313, 496, 527, 626, 1054, 1252, 2108, 2504, 4216, 5008, 5321, 8432, 9703, 10642, 19406, 21284, 38812, 42568, 77624, 85136, 155248, 164951, 329902, 659804, 1319608, 2639216]

約数ペア:

[(1, 2639216), (2, 1319608), (4, 659804), (8, 329902), (16, 164951), (17, 155248), (31, 85136), (34, 77624), (62, 42568), (68, 38812), (124, 21284), (136, 19406), (248, 10642), (272, 9703), (313, 8432), (496, 5321), (527, 5008), (626, 4216), (1054, 2504), (1252, 2108)]