3978416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:669

約数の個数: 40

約数和(自身を含む): 8582784

約数和(自身を除く): 4604368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 617, 806, 1234, 1612, 2468, 3224, 4936, 6448, 8021, 9872, 16042, 19127, 32084, 38254, 64168, 76508, 128336, 153016, 248651, 306032, 497302, 994604, 1989208, 3978416]

約数ペア:

[(1, 3978416), (2, 1989208), (4, 994604), (8, 497302), (13, 306032), (16, 248651), (26, 153016), (31, 128336), (52, 76508), (62, 64168), (104, 38254), (124, 32084), (208, 19127), (248, 16042), (403, 9872), (496, 8021), (617, 6448), (806, 4936), (1234, 3224), (1612, 2468)]