213883384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 502548480

約数和(自身を除く): 288665096

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 37, 44, 52, 62, 74, 88, 104, 124, 143, 148, 163, 248, 286, 296, 326, 341, 403, 407, 481, 572, 652, 682, 806, 814, 962, 1144, 1147, 1304, 1364, 1612, 1628, 1793, 1924, 2119, 2294, 2728, 3224, 3256, 3586, 3848, 4238, 4433, 4588, 5053, 5291, 6031, 7172, 8476, 8866, 9176, 10106, 10582, 12062, 12617, 14344, 14911, 16952, 17732, 20212, 21164, 23309, 24124, 25234, 29822, 35464, 40424, 42328, 46618, 48248, 50468, 55583, 59644, 65689, 66341, 78403, 93236, 100936, 111166, 119288, 131378, 132682, 156806, 164021, 186472, 186961, 222332, 262756, 265364, 313612, 328042, 373922, 444664, 525512, 530728, 627224, 656084, 722579, 747844, 862433, 1312168, 1445158, 1495688, 1724866, 2056571, 2430493, 2890316, 3449732, 4113142, 4860986, 5780632, 6899464, 8226284, 9721972, 16452568, 19443944, 26735423, 53470846, 106941692, 213883384]

約数ペア:

[(1, 213883384), (2, 106941692), (4, 53470846), (8, 26735423), (11, 19443944), (13, 16452568), (22, 9721972), (26, 8226284), (31, 6899464), (37, 5780632), (44, 4860986), (52, 4113142), (62, 3449732), (74, 2890316), (88, 2430493), (104, 2056571), (124, 1724866), (143, 1495688), (148, 1445158), (163, 1312168), (248, 862433), (286, 747844), (296, 722579), (326, 656084), (341, 627224), (403, 530728), (407, 525512), (481, 444664), (572, 373922), (652, 328042), (682, 313612), (806, 265364), (814, 262756), (962, 222332), (1144, 186961), (1147, 186472), (1304, 164021), (1364, 156806), (1612, 132682), (1628, 131378), (1793, 119288), (1924, 111166), (2119, 100936), (2294, 93236), (2728, 78403), (3224, 66341), (3256, 65689), (3586, 59644), (3848, 55583), (4238, 50468), (4433, 48248), (4588, 46618), (5053, 42328), (5291, 40424), (6031, 35464), (7172, 29822), (8476, 25234), (8866, 24124), (9176, 23309), (10106, 21164), (10582, 20212), (12062, 17732), (12617, 16952), (14344, 14911)]