131511408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{391403}}^1$

素因数の和:391421

約数の個数: 40

約数和(自身を含む): 388272768

約数和(自身を除く): 256761360

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 391403, 782806, 1174209, 1565612, 2348418, 2739821, 3131224, 4696836, 5479642, 6262448, 8219463, 9393672, 10959284, 16438926, 18787344, 21918568, 32877852, 43837136, 65755704, 131511408]

約数ペア:

[(1, 131511408), (2, 65755704), (3, 43837136), (4, 32877852), (6, 21918568), (7, 18787344), (8, 16438926), (12, 10959284), (14, 9393672), (16, 8219463), (21, 6262448), (24, 5479642), (28, 4696836), (42, 3131224), (48, 2739821), (56, 2348418), (84, 1565612), (112, 1174209), (168, 782806), (336, 391403)]