407496544

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19991}}^1$

素因数の和:20028

約数の個数: 72

約数和(自身を含む): 1005077808

約数和(自身を除く): 597581264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 1274, 1456, 1568, 2548, 2912, 5096, 10192, 19991, 20384, 39982, 79964, 139937, 159928, 259883, 279874, 319856, 519766, 559748, 639712, 979559, 1039532, 1119496, 1819181, 1959118, 2079064, 2238992, 3638362, 3918236, 4158128, 4477984, 7276724, 7836472, 8316256, 12734267, 14553448, 15672944, 25468534, 29106896, 31345888, 50937068, 58213792, 101874136, 203748272, 407496544]

約数ペア:

[(1, 407496544), (2, 203748272), (4, 101874136), (7, 58213792), (8, 50937068), (13, 31345888), (14, 29106896), (16, 25468534), (26, 15672944), (28, 14553448), (32, 12734267), (49, 8316256), (52, 7836472), (56, 7276724), (91, 4477984), (98, 4158128), (104, 3918236), (112, 3638362), (182, 2238992), (196, 2079064), (208, 1959118), (224, 1819181), (364, 1119496), (392, 1039532), (416, 979559), (637, 639712), (728, 559748), (784, 519766), (1274, 319856), (1456, 279874), (1568, 259883), (2548, 159928), (2912, 139937), (5096, 79964), (10192, 39982), (19991, 20384)]