1999604808

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{391159}}^1$

素因数の和:391242

約数の個数: 48

約数和(自身を含む): 5491886400

約数和(自身を除く): 3492281592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 391159, 782318, 1173477, 1564636, 2346954, 3129272, 3520431, 4693908, 7040862, 9387816, 14081724, 27772289, 28163448, 55544578, 83316867, 111089156, 166633734, 222178312, 249950601, 333267468, 499901202, 666534936, 999802404, 1999604808]

約数ペア:

[(1, 1999604808), (2, 999802404), (3, 666534936), (4, 499901202), (6, 333267468), (8, 249950601), (9, 222178312), (12, 166633734), (18, 111089156), (24, 83316867), (36, 55544578), (71, 28163448), (72, 27772289), (142, 14081724), (213, 9387816), (284, 7040862), (426, 4693908), (568, 3520431), (639, 3129272), (852, 2346954), (1278, 1564636), (1704, 1173477), (2556, 782318), (5112, 391159)]