628389916

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{1307}}^1$

素因数の和:1559

約数の個数: 72

約数和(自身を含む): 1402845696

約数和(自身を除く): 774455780

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 223, 308, 446, 539, 892, 1078, 1307, 1561, 2156, 2453, 2614, 3122, 4906, 5228, 6244, 9149, 9812, 10927, 14377, 17171, 18298, 21854, 28754, 34342, 36596, 43708, 57508, 64043, 68684, 100639, 120197, 128086, 201278, 240394, 256172, 291461, 402556, 480788, 582922, 704473, 1165844, 1408946, 2040227, 2817892, 3206071, 4080454, 6412142, 8160908, 12824284, 14281589, 22442497, 28563178, 44884994, 57126356, 89769988, 157097479, 314194958, 628389916]

約数ペア:

[(1, 628389916), (2, 314194958), (4, 157097479), (7, 89769988), (11, 57126356), (14, 44884994), (22, 28563178), (28, 22442497), (44, 14281589), (49, 12824284), (77, 8160908), (98, 6412142), (154, 4080454), (196, 3206071), (223, 2817892), (308, 2040227), (446, 1408946), (539, 1165844), (892, 704473), (1078, 582922), (1307, 480788), (1561, 402556), (2156, 291461), (2453, 256172), (2614, 240394), (3122, 201278), (4906, 128086), (5228, 120197), (6244, 100639), (9149, 68684), (9812, 64043), (10927, 57508), (14377, 43708), (17171, 36596), (18298, 34342), (21854, 28754)]