1338156738

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{55109}}^1$

素因数の和:55207

約数の個数: 48

約数和(自身を含む): 3094977600

約数和(自身を除く): 1756820862

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 71, 114, 142, 171, 213, 342, 426, 639, 1278, 1349, 2698, 4047, 8094, 12141, 24282, 55109, 110218, 165327, 330654, 495981, 991962, 1047071, 2094142, 3141213, 3912739, 6282426, 7825478, 9423639, 11738217, 18847278, 23476434, 35214651, 70429302, 74342041, 148684082, 223026123, 446052246, 669078369, 1338156738]

約数ペア:

[(1, 1338156738), (2, 669078369), (3, 446052246), (6, 223026123), (9, 148684082), (18, 74342041), (19, 70429302), (38, 35214651), (57, 23476434), (71, 18847278), (114, 11738217), (142, 9423639), (171, 7825478), (213, 6282426), (342, 3912739), (426, 3141213), (639, 2094142), (1278, 1047071), (1349, 991962), (2698, 495981), (4047, 330654), (8094, 165327), (12141, 110218), (24282, 55109)]