128817872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2699}}^1$

素因数の和:2883

約数の個数: 40

約数和(自身を含む): 264492000

約数和(自身を除く): 135674128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 157, 304, 314, 628, 1256, 2512, 2699, 2983, 5398, 5966, 10796, 11932, 21592, 23864, 43184, 47728, 51281, 102562, 205124, 410248, 423743, 820496, 847486, 1694972, 3389944, 6779888, 8051117, 16102234, 32204468, 64408936, 128817872]

約数ペア:

[(1, 128817872), (2, 64408936), (4, 32204468), (8, 16102234), (16, 8051117), (19, 6779888), (38, 3389944), (76, 1694972), (152, 847486), (157, 820496), (304, 423743), (314, 410248), (628, 205124), (1256, 102562), (2512, 51281), (2699, 47728), (2983, 43184), (5398, 23864), (5966, 21592), (10796, 11932)]