1981871344

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{373}}^1\times {\mathrm{4001}}^1$

素因数の和:4465

約数の個数: 40

約数和(自身を含む): 3897531792

約数和(自身を除く): 1915660448

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 373, 664, 746, 1328, 1492, 2984, 4001, 5968, 8002, 16004, 30959, 32008, 61918, 64016, 123836, 247672, 332083, 495344, 664166, 1328332, 1492373, 2656664, 2984746, 5313328, 5969492, 11938984, 23877968, 123866959, 247733918, 495467836, 990935672, 1981871344]

約数ペア:

[(1, 1981871344), (2, 990935672), (4, 495467836), (8, 247733918), (16, 123866959), (83, 23877968), (166, 11938984), (332, 5969492), (373, 5313328), (664, 2984746), (746, 2656664), (1328, 1492373), (1492, 1328332), (2984, 664166), (4001, 495344), (5968, 332083), (8002, 247672), (16004, 123836), (30959, 64016), (32008, 61918)]