209968616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3463}}^1$

素因数の和:3546

約数の個数: 64

約数和(自身を含む): 471381120

約数和(自身を除く): 261412504

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 53, 88, 104, 106, 143, 212, 286, 424, 572, 583, 689, 1144, 1166, 1378, 2332, 2756, 3463, 4664, 5512, 6926, 7579, 13852, 15158, 27704, 30316, 38093, 45019, 60632, 76186, 90038, 152372, 180076, 183539, 304744, 360152, 367078, 495209, 734156, 990418, 1468312, 1980836, 2018929, 2386007, 3961672, 4037858, 4772014, 8075716, 9544028, 16151432, 19088056, 26246077, 52492154, 104984308, 209968616]

約数ペア:

[(1, 209968616), (2, 104984308), (4, 52492154), (8, 26246077), (11, 19088056), (13, 16151432), (22, 9544028), (26, 8075716), (44, 4772014), (52, 4037858), (53, 3961672), (88, 2386007), (104, 2018929), (106, 1980836), (143, 1468312), (212, 990418), (286, 734156), (424, 495209), (572, 367078), (583, 360152), (689, 304744), (1144, 183539), (1166, 180076), (1378, 152372), (2332, 90038), (2756, 76186), (3463, 60632), (4664, 45019), (5512, 38093), (6926, 30316), (7579, 27704), (13852, 15158)]