128431952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{25163}}^1$

素因数の和:25211

約数の個数: 40

約数和(自身を含む): 280830240

約数和(自身を除く): 152398288

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 1276, 2552, 5104, 25163, 50326, 100652, 201304, 276793, 402608, 553586, 729727, 1107172, 1459454, 2214344, 2918908, 4428688, 5837816, 8026997, 11675632, 16053994, 32107988, 64215976, 128431952]

約数ペア:

[(1, 128431952), (2, 64215976), (4, 32107988), (8, 16053994), (11, 11675632), (16, 8026997), (22, 5837816), (29, 4428688), (44, 2918908), (58, 2214344), (88, 1459454), (116, 1107172), (176, 729727), (232, 553586), (319, 402608), (464, 276793), (638, 201304), (1276, 100652), (2552, 50326), (5104, 25163)]