28380262

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 46414080

約数和(自身を除く): 18033818

約数列:

[1, 2, 19, 38, 67, 71, 134, 142, 157, 314, 1273, 1349, 2546, 2698, 2983, 4757, 5966, 9514, 10519, 11147, 21038, 22294, 90383, 180766, 199861, 211793, 399722, 423586, 746849, 1493698, 14190131, 28380262]

約数ペア:

[(1, 28380262), (2, 14190131), (19, 1493698), (38, 746849), (67, 423586), (71, 399722), (134, 211793), (142, 199861), (157, 180766), (314, 90383), (1273, 22294), (1349, 21038), (2546, 11147), (2698, 10519), (2983, 9514), (4757, 5966)]