157218464

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19891}}^1$

素因数の和:19933

約数の個数: 48

約数和(自身を含む): 350894880

約数和(自身を除く): 193676416

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 19891, 39782, 79564, 159128, 258583, 318256, 377929, 517166, 636512, 755858, 1034332, 1511716, 2068664, 3023432, 4137328, 4913077, 6046864, 8274656, 9826154, 12093728, 19652308, 39304616, 78609232, 157218464]

約数ペア:

[(1, 157218464), (2, 78609232), (4, 39304616), (8, 19652308), (13, 12093728), (16, 9826154), (19, 8274656), (26, 6046864), (32, 4913077), (38, 4137328), (52, 3023432), (76, 2068664), (104, 1511716), (152, 1034332), (208, 755858), (247, 636512), (304, 517166), (416, 377929), (494, 318256), (608, 258583), (988, 159128), (1976, 79564), (3952, 39782), (7904, 19891)]