81402256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23021}}^1$

素因数の和:23059

約数の個数: 40

約数和(自身を含む): 179847864

約数和(自身を除く): 98445608

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 23021, 46042, 92084, 184168, 299273, 368336, 391357, 598546, 782714, 1197092, 1565428, 2394184, 3130856, 4788368, 5087641, 6261712, 10175282, 20350564, 40701128, 81402256]

約数ペア:

[(1, 81402256), (2, 40701128), (4, 20350564), (8, 10175282), (13, 6261712), (16, 5087641), (17, 4788368), (26, 3130856), (34, 2394184), (52, 1565428), (68, 1197092), (104, 782714), (136, 598546), (208, 391357), (221, 368336), (272, 299273), (442, 184168), (884, 92084), (1768, 46042), (3536, 23021)]