1378678284

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{539389}}^1$

素因数の和:539470

約数の個数: 36

約数和(自身を含む): 3534083280

約数和(自身を除く): 2155404996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 539389, 1078778, 1618167, 2157556, 3236334, 4854501, 6472668, 9709002, 19418004, 38296619, 76593238, 114889857, 153186476, 229779714, 344669571, 459559428, 689339142, 1378678284]

約数ペア:

[(1, 1378678284), (2, 689339142), (3, 459559428), (4, 344669571), (6, 229779714), (9, 153186476), (12, 114889857), (18, 76593238), (36, 38296619), (71, 19418004), (142, 9709002), (213, 6472668), (284, 4854501), (426, 3236334), (639, 2157556), (852, 1618167), (1278, 1078778), (2556, 539389)]