388371958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{383}}^1\times {\mathrm{907}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 644345856

約数和(自身を除く): 255973898

約数列:

[1, 2, 13, 26, 43, 86, 383, 559, 766, 907, 1118, 1814, 4979, 9958, 11791, 16469, 23582, 32938, 39001, 78002, 214097, 347381, 428194, 507013, 694762, 1014026, 4515953, 9031906, 14937383, 29874766, 194185979, 388371958]

約数ペア:

[(1, 388371958), (2, 194185979), (13, 29874766), (26, 14937383), (43, 9031906), (86, 4515953), (383, 1014026), (559, 694762), (766, 507013), (907, 428194), (1118, 347381), (1814, 214097), (4979, 78002), (9958, 39001), (11791, 32938), (16469, 23582)]