209396988

素因数分解:

$2^2\times 3^5\times {\mathrm{367}}^1\times {\mathrm{587}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 551346432

約数和(自身を除く): 341949444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 367, 486, 587, 734, 972, 1101, 1174, 1468, 1761, 2202, 2348, 3303, 3522, 4404, 5283, 6606, 7044, 9909, 10566, 13212, 15849, 19818, 21132, 29727, 31698, 39636, 47547, 59454, 63396, 89181, 95094, 118908, 142641, 178362, 190188, 215429, 285282, 356724, 430858, 570564, 646287, 861716, 1292574, 1938861, 2585148, 3877722, 5816583, 7755444, 11633166, 17449749, 23266332, 34899498, 52349247, 69798996, 104698494, 209396988]

約数ペア:

[(1, 209396988), (2, 104698494), (3, 69798996), (4, 52349247), (6, 34899498), (9, 23266332), (12, 17449749), (18, 11633166), (27, 7755444), (36, 5816583), (54, 3877722), (81, 2585148), (108, 1938861), (162, 1292574), (243, 861716), (324, 646287), (367, 570564), (486, 430858), (587, 356724), (734, 285282), (972, 215429), (1101, 190188), (1174, 178362), (1468, 142641), (1761, 118908), (2202, 95094), (2348, 89181), (3303, 63396), (3522, 59454), (4404, 47547), (5283, 39636), (6606, 31698), (7044, 29727), (9909, 21132), (10566, 19818), (13212, 15849)]