87240818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{2089}}^1$

素因数の和:2274

約数の個数: 32

約数和(自身を含む): 158505600

約数和(自身を除く): 71264782

約数列:

[1, 2, 7, 14, 19, 38, 133, 157, 266, 314, 1099, 2089, 2198, 2983, 4178, 5966, 14623, 20881, 29246, 39691, 41762, 79382, 277837, 327973, 555674, 655946, 2295811, 4591622, 6231487, 12462974, 43620409, 87240818]

約数ペア:

[(1, 87240818), (2, 43620409), (7, 12462974), (14, 6231487), (19, 4591622), (38, 2295811), (133, 655946), (157, 555674), (266, 327973), (314, 277837), (1099, 79382), (2089, 41762), (2198, 39691), (2983, 29246), (4178, 20881), (5966, 14623)]