388643344

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{307471}}^1$

素因数の和:307558

約数の個数: 20

約数和(自身を含む): 762530560

約数和(自身を除く): 373887216

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 307471, 614942, 1229884, 2459768, 4919536, 24290209, 48580418, 97160836, 194321672, 388643344]

約数ペア:

[(1, 388643344), (2, 194321672), (4, 97160836), (8, 48580418), (16, 24290209), (79, 4919536), (158, 2459768), (316, 1229884), (632, 614942), (1264, 307471)]