641213824

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{263657}}^1$

素因数の和:263690

約数の個数: 32

約数和(自身を含む): 1344655800

約数和(自身を除く): 703441976

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 263657, 527314, 1054628, 2109256, 4218512, 5009483, 8437024, 10018966, 16874048, 20037932, 33748096, 40075864, 80151728, 160303456, 320606912, 641213824]

約数ペア:

[(1, 641213824), (2, 320606912), (4, 160303456), (8, 80151728), (16, 40075864), (19, 33748096), (32, 20037932), (38, 16874048), (64, 10018966), (76, 8437024), (128, 5009483), (152, 4218512), (304, 2109256), (608, 1054628), (1216, 527314), (2432, 263657)]