68721746

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 115171200

約数和(自身を除く): 46449454

約数列:

[1, 2, 19, 23, 38, 46, 61, 122, 437, 874, 1159, 1289, 1403, 2318, 2578, 2806, 24491, 26657, 29647, 48982, 53314, 59294, 78629, 157258, 563293, 1126586, 1493951, 1808467, 2987902, 3616934, 34360873, 68721746]

約数ペア:

[(1, 68721746), (2, 34360873), (19, 3616934), (23, 2987902), (38, 1808467), (46, 1493951), (61, 1126586), (122, 563293), (437, 157258), (874, 78629), (1159, 59294), (1289, 53314), (1403, 48982), (2318, 29647), (2578, 26657), (2806, 24491)]