389760644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2657}}^1$

素因数の和:2725

約数の個数: 72

約数和(自身を含む): 871653888

約数和(自身を除く): 481893244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1612, 2366, 2657, 2821, 4732, 5239, 5314, 5642, 10478, 10628, 11284, 18599, 20956, 34541, 36673, 37198, 69082, 73346, 74396, 82367, 138164, 146692, 164734, 241787, 329468, 449033, 483574, 576569, 898066, 967148, 1070771, 1153138, 1796132, 2141542, 2306276, 3143231, 4283084, 6286462, 7495397, 12572924, 13920023, 14990794, 27840046, 29981588, 55680092, 97440161, 194880322, 389760644]

約数ペア:

[(1, 389760644), (2, 194880322), (4, 97440161), (7, 55680092), (13, 29981588), (14, 27840046), (26, 14990794), (28, 13920023), (31, 12572924), (52, 7495397), (62, 6286462), (91, 4283084), (124, 3143231), (169, 2306276), (182, 2141542), (217, 1796132), (338, 1153138), (364, 1070771), (403, 967148), (434, 898066), (676, 576569), (806, 483574), (868, 449033), (1183, 329468), (1612, 241787), (2366, 164734), (2657, 146692), (2821, 138164), (4732, 82367), (5239, 74396), (5314, 73346), (5642, 69082), (10478, 37198), (10628, 36673), (11284, 34541), (18599, 20956)]