81617008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{24407}}^1$

素因数の和:24445

約数の個数: 40

約数和(自身を含む): 181595520

約数和(自身を除く): 99978512

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 24407, 48814, 97628, 195256, 268477, 390512, 463733, 536954, 927466, 1073908, 1854932, 2147816, 3709864, 4295632, 5101063, 7419728, 10202126, 20404252, 40808504, 81617008]

約数ペア:

[(1, 81617008), (2, 40808504), (4, 20404252), (8, 10202126), (11, 7419728), (16, 5101063), (19, 4295632), (22, 3709864), (38, 2147816), (44, 1854932), (76, 1073908), (88, 927466), (152, 536954), (176, 463733), (209, 390512), (304, 268477), (418, 195256), (836, 97628), (1672, 48814), (3344, 24407)]