255557428

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 556351488

約数和(自身を除く): 300794060

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 43, 62, 82, 86, 124, 164, 167, 172, 217, 287, 301, 334, 434, 574, 602, 668, 868, 1148, 1169, 1204, 1271, 1333, 1763, 2338, 2542, 2666, 3526, 4676, 5084, 5177, 5332, 6847, 7052, 7181, 8897, 9331, 10354, 12341, 13694, 14362, 17794, 18662, 20708, 24682, 27388, 28724, 35588, 36239, 37324, 47929, 49364, 50267, 54653, 72478, 95858, 100534, 109306, 144956, 191716, 201068, 212257, 218612, 222611, 294421, 382571, 424514, 445222, 588842, 765142, 849028, 890444, 1177684, 1485799, 1530284, 1558277, 2060947, 2971598, 3116554, 4121894, 5943196, 6233108, 8243788, 9127051, 18254102, 36508204, 63889357, 127778714, 255557428]

約数ペア:

[(1, 255557428), (2, 127778714), (4, 63889357), (7, 36508204), (14, 18254102), (28, 9127051), (31, 8243788), (41, 6233108), (43, 5943196), (62, 4121894), (82, 3116554), (86, 2971598), (124, 2060947), (164, 1558277), (167, 1530284), (172, 1485799), (217, 1177684), (287, 890444), (301, 849028), (334, 765142), (434, 588842), (574, 445222), (602, 424514), (668, 382571), (868, 294421), (1148, 222611), (1169, 218612), (1204, 212257), (1271, 201068), (1333, 191716), (1763, 144956), (2338, 109306), (2542, 100534), (2666, 95858), (3526, 72478), (4676, 54653), (5084, 50267), (5177, 49364), (5332, 47929), (6847, 37324), (7052, 36239), (7181, 35588), (8897, 28724), (9331, 27388), (10354, 24682), (12341, 20708), (13694, 18662), (14362, 17794)]