1288393688

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{155303}}^1$

素因数の和:155387

約数の個数: 32

約数和(自身を含む): 2599788960

約数和(自身を除く): 1311395272

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 244, 488, 1037, 2074, 4148, 8296, 155303, 310606, 621212, 1242424, 2640151, 5280302, 9473483, 10560604, 18946966, 21121208, 37893932, 75787864, 161049211, 322098422, 644196844, 1288393688]

約数ペア:

[(1, 1288393688), (2, 644196844), (4, 322098422), (8, 161049211), (17, 75787864), (34, 37893932), (61, 21121208), (68, 18946966), (122, 10560604), (136, 9473483), (244, 5280302), (488, 2640151), (1037, 1242424), (2074, 621212), (4148, 310606), (8296, 155303)]