42778918

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 84672000

約数和(自身を除く): 41893082

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 89, 91, 133, 139, 178, 182, 247, 266, 278, 494, 623, 973, 1157, 1246, 1691, 1729, 1807, 1946, 2314, 2641, 3382, 3458, 3614, 5282, 8099, 11837, 12371, 12649, 16198, 18487, 21983, 23674, 24742, 25298, 34333, 36974, 43966, 68666, 86597, 153881, 160823, 173194, 235049, 240331, 307762, 321646, 470098, 480662, 1125761, 1645343, 2251522, 3055637, 3290686, 6111274, 21389459, 42778918]

約数ペア:

[(1, 42778918), (2, 21389459), (7, 6111274), (13, 3290686), (14, 3055637), (19, 2251522), (26, 1645343), (38, 1125761), (89, 480662), (91, 470098), (133, 321646), (139, 307762), (178, 240331), (182, 235049), (247, 173194), (266, 160823), (278, 153881), (494, 86597), (623, 68666), (973, 43966), (1157, 36974), (1246, 34333), (1691, 25298), (1729, 24742), (1807, 23674), (1946, 21983), (2314, 18487), (2641, 16198), (3382, 12649), (3458, 12371), (3614, 11837), (5282, 8099)]