12990262

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:300

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 8782538

約数列:

[1, 2, 19, 23, 38, 46, 89, 167, 178, 334, 437, 874, 1691, 2047, 3173, 3382, 3841, 4094, 6346, 7682, 14863, 29726, 38893, 72979, 77786, 145958, 282397, 341849, 564794, 683698, 6495131, 12990262]

約数ペア:

[(1, 12990262), (2, 6495131), (19, 683698), (23, 564794), (38, 341849), (46, 282397), (89, 145958), (167, 77786), (178, 72979), (334, 38893), (437, 29726), (874, 14863), (1691, 7682), (2047, 6346), (3173, 4094), (3382, 3841)]