16489970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:555

約数の個数: 48

約数和(自身を含む): 35076888

約数和(自身を除く): 18586918

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 73, 98, 146, 245, 365, 461, 490, 511, 730, 922, 1022, 2305, 2555, 3227, 3577, 4610, 5110, 6454, 7154, 16135, 17885, 22589, 32270, 33653, 35770, 45178, 67306, 112945, 168265, 225890, 235571, 336530, 471142, 1177855, 1648997, 2355710, 3297994, 8244985, 16489970]

約数ペア:

[(1, 16489970), (2, 8244985), (5, 3297994), (7, 2355710), (10, 1648997), (14, 1177855), (35, 471142), (49, 336530), (70, 235571), (73, 225890), (98, 168265), (146, 112945), (245, 67306), (365, 45178), (461, 35770), (490, 33653), (511, 32270), (730, 22589), (922, 17885), (1022, 16135), (2305, 7154), (2555, 6454), (3227, 5110), (3577, 4610)]