978049282

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{51787}}^1$

素因数の和:51886

約数の個数: 32

約数和(自身を含む): 1789793280

約数和(自身を除く): 811743998

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2698, 9443, 18886, 51787, 103574, 362509, 725018, 983953, 1967906, 3676877, 6887671, 7353754, 13775342, 25738139, 51476278, 69860663, 139721326, 489024641, 978049282]

約数ペア:

[(1, 978049282), (2, 489024641), (7, 139721326), (14, 69860663), (19, 51476278), (38, 25738139), (71, 13775342), (133, 7353754), (142, 6887671), (266, 3676877), (497, 1967906), (994, 983953), (1349, 725018), (2698, 362509), (9443, 103574), (18886, 51787)]