128781392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{24919}}^1$

素因数の和:24963

約数の個数: 40

約数和(自身を含む): 278107200

約数和(自身を除く): 149325808

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 24919, 49838, 99676, 199352, 398704, 423623, 473461, 847246, 946922, 1694492, 1893844, 3388984, 3787688, 6777968, 7575376, 8048837, 16097674, 32195348, 64390696, 128781392]

約数ペア:

[(1, 128781392), (2, 64390696), (4, 32195348), (8, 16097674), (16, 8048837), (17, 7575376), (19, 6777968), (34, 3787688), (38, 3388984), (68, 1893844), (76, 1694492), (136, 946922), (152, 847246), (272, 473461), (304, 423623), (323, 398704), (646, 199352), (1292, 99676), (2584, 49838), (5168, 24919)]