318107894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 558835200

約数和(自身を除く): 240727306

約数列:

[1, 2, 13, 23, 26, 43, 46, 86, 89, 139, 178, 278, 299, 559, 598, 989, 1118, 1157, 1807, 1978, 2047, 2314, 3197, 3614, 3827, 4094, 5977, 6394, 7654, 11954, 12371, 12857, 24742, 25714, 26611, 41561, 49751, 53222, 77701, 83122, 88021, 99502, 137471, 155402, 160823, 176042, 274942, 284533, 321646, 531953, 569066, 1063906, 1144273, 1787123, 2288546, 3574246, 3698929, 6915389, 7397858, 12234919, 13830778, 24469838, 159053947, 318107894]

約数ペア:

[(1, 318107894), (2, 159053947), (13, 24469838), (23, 13830778), (26, 12234919), (43, 7397858), (46, 6915389), (86, 3698929), (89, 3574246), (139, 2288546), (178, 1787123), (278, 1144273), (299, 1063906), (559, 569066), (598, 531953), (989, 321646), (1118, 284533), (1157, 274942), (1807, 176042), (1978, 160823), (2047, 155402), (2314, 137471), (3197, 99502), (3614, 88021), (3827, 83122), (4094, 77701), (5977, 53222), (6394, 49751), (7654, 41561), (11954, 26611), (12371, 25714), (12857, 24742)]