31596278

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:345

約数の個数: 48

約数和(自身を含む): 59097600

約数和(自身を除く): 27501322

約数列:

[1, 2, 7, 14, 19, 38, 49, 71, 98, 133, 142, 239, 266, 478, 497, 931, 994, 1349, 1673, 1862, 2698, 3346, 3479, 4541, 6958, 9082, 9443, 11711, 16969, 18886, 23422, 31787, 33938, 63574, 66101, 118783, 132202, 222509, 237566, 322411, 445018, 644822, 831481, 1662962, 2256877, 4513754, 15798139, 31596278]

約数ペア:

[(1, 31596278), (2, 15798139), (7, 4513754), (14, 2256877), (19, 1662962), (38, 831481), (49, 644822), (71, 445018), (98, 322411), (133, 237566), (142, 222509), (239, 132202), (266, 118783), (478, 66101), (497, 63574), (931, 33938), (994, 31787), (1349, 23422), (1673, 18886), (1862, 16969), (2698, 11711), (3346, 9443), (3479, 9082), (4541, 6958)]