217403784

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:724

約数の個数: 128

約数和(自身を含む): 656208000

約数和(自身を除く): 438804216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 139, 156, 216, 234, 278, 312, 351, 417, 468, 556, 557, 702, 834, 936, 1112, 1114, 1251, 1404, 1668, 1671, 1807, 2228, 2502, 2808, 3336, 3342, 3614, 3753, 4456, 5004, 5013, 5421, 6684, 7228, 7241, 7506, 10008, 10026, 10842, 13368, 14456, 14482, 15012, 15039, 16263, 20052, 21684, 21723, 28964, 30024, 30078, 32526, 40104, 43368, 43446, 48789, 57928, 60156, 65052, 65169, 77423, 86892, 97578, 120312, 130104, 130338, 154846, 173784, 195156, 195507, 232269, 260676, 309692, 390312, 391014, 464538, 521352, 619384, 696807, 782028, 929076, 1006499, 1393614, 1564056, 1858152, 2012998, 2090421, 2787228, 3019497, 4025996, 4180842, 5574456, 6038994, 8051992, 8361684, 9058491, 12077988, 16723368, 18116982, 24155976, 27175473, 36233964, 54350946, 72467928, 108701892, 217403784]

約数ペア:

[(1, 217403784), (2, 108701892), (3, 72467928), (4, 54350946), (6, 36233964), (8, 27175473), (9, 24155976), (12, 18116982), (13, 16723368), (18, 12077988), (24, 9058491), (26, 8361684), (27, 8051992), (36, 6038994), (39, 5574456), (52, 4180842), (54, 4025996), (72, 3019497), (78, 2787228), (104, 2090421), (108, 2012998), (117, 1858152), (139, 1564056), (156, 1393614), (216, 1006499), (234, 929076), (278, 782028), (312, 696807), (351, 619384), (417, 521352), (468, 464538), (556, 391014), (557, 390312), (702, 309692), (834, 260676), (936, 232269), (1112, 195507), (1114, 195156), (1251, 173784), (1404, 154846), (1668, 130338), (1671, 130104), (1807, 120312), (2228, 97578), (2502, 86892), (2808, 77423), (3336, 65169), (3342, 65052), (3614, 60156), (3753, 57928), (4456, 48789), (5004, 43446), (5013, 43368), (5421, 40104), (6684, 32526), (7228, 30078), (7241, 30024), (7506, 28964), (10008, 21723), (10026, 21684), (10842, 20052), (13368, 16263), (14456, 15039), (14482, 15012)]