25305714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1877}}^1$

素因数の和:1999

約数の個数: 48

約数和(自身を含む): 63281088

約数和(自身を除く): 37975374

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1498, 1877, 1926, 2247, 3754, 4494, 5631, 6741, 11262, 13139, 13482, 16893, 26278, 33786, 39417, 78834, 118251, 200839, 236502, 401678, 602517, 1205034, 1405873, 1807551, 2811746, 3615102, 4217619, 8435238, 12652857, 25305714]

約数ペア:

[(1, 25305714), (2, 12652857), (3, 8435238), (6, 4217619), (7, 3615102), (9, 2811746), (14, 1807551), (18, 1405873), (21, 1205034), (42, 602517), (63, 401678), (107, 236502), (126, 200839), (214, 118251), (321, 78834), (642, 39417), (749, 33786), (963, 26278), (1498, 16893), (1877, 13482), (1926, 13139), (2247, 11262), (3754, 6741), (4494, 5631)]