818702924

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:451

約数の個数: 72

約数和(自身を含む): 1609755840

約数和(自身を除く): 791052916

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 109, 164, 169, 218, 271, 338, 436, 533, 542, 676, 1066, 1084, 1417, 2132, 2834, 3523, 4469, 5668, 6929, 7046, 8938, 11111, 13858, 14092, 17876, 18421, 22222, 27716, 29539, 36842, 44444, 45799, 58097, 59078, 73684, 91598, 116194, 118156, 144443, 183196, 232388, 288886, 384007, 577772, 755261, 768014, 1211099, 1510522, 1536028, 1877759, 2422198, 3021044, 3755518, 4844396, 4992091, 7511036, 9984182, 15744287, 19968364, 31488574, 62977148, 204675731, 409351462, 818702924]

約数ペア:

[(1, 818702924), (2, 409351462), (4, 204675731), (13, 62977148), (26, 31488574), (41, 19968364), (52, 15744287), (82, 9984182), (109, 7511036), (164, 4992091), (169, 4844396), (218, 3755518), (271, 3021044), (338, 2422198), (436, 1877759), (533, 1536028), (542, 1510522), (676, 1211099), (1066, 768014), (1084, 755261), (1417, 577772), (2132, 384007), (2834, 288886), (3523, 232388), (4469, 183196), (5668, 144443), (6929, 118156), (7046, 116194), (8938, 91598), (11111, 73684), (13858, 59078), (14092, 58097), (17876, 45799), (18421, 44444), (22222, 36842), (27716, 29539)]