31288898816

素因数分解:

$2^8\times 7^1\times {\mathrm{257}}^1\times {\mathrm{67939}}^1$

素因数の和:68219

約数の個数: 72

約数和(自身を含む): 71656589760

約数和(自身を除く): 40367690944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 257, 448, 514, 896, 1028, 1792, 1799, 2056, 3598, 4112, 7196, 8224, 14392, 16448, 28784, 32896, 57568, 65792, 67939, 115136, 135878, 230272, 271756, 460544, 475573, 543512, 951146, 1087024, 1902292, 2174048, 3804584, 4348096, 7609168, 8696192, 15218336, 17392384, 17460323, 30436672, 34920646, 60873344, 69841292, 121746688, 122222261, 139682584, 244444522, 279365168, 488889044, 558730336, 977778088, 1117460672, 1955556176, 2234921344, 3911112352, 4469842688, 7822224704, 15644449408, 31288898816]

約数ペア:

[(1, 31288898816), (2, 15644449408), (4, 7822224704), (7, 4469842688), (8, 3911112352), (14, 2234921344), (16, 1955556176), (28, 1117460672), (32, 977778088), (56, 558730336), (64, 488889044), (112, 279365168), (128, 244444522), (224, 139682584), (256, 122222261), (257, 121746688), (448, 69841292), (514, 60873344), (896, 34920646), (1028, 30436672), (1792, 17460323), (1799, 17392384), (2056, 15218336), (3598, 8696192), (4112, 7609168), (7196, 4348096), (8224, 3804584), (14392, 2174048), (16448, 1902292), (28784, 1087024), (32896, 951146), (57568, 543512), (65792, 475573), (67939, 460544), (115136, 271756), (135878, 230272)]