156720824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{88643}}^1$

素因数の和:88679

約数の個数: 32

約数和(自身を含む): 335074320

約数和(自身を除く): 178353496

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 88643, 177286, 354572, 709144, 1152359, 1506931, 2304718, 3013862, 4609436, 6027724, 9218872, 12055448, 19590103, 39180206, 78360412, 156720824]

約数ペア:

[(1, 156720824), (2, 78360412), (4, 39180206), (8, 19590103), (13, 12055448), (17, 9218872), (26, 6027724), (34, 4609436), (52, 3013862), (68, 2304718), (104, 1506931), (136, 1152359), (221, 709144), (442, 354572), (884, 177286), (1768, 88643)]