661290434

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{38749}}^1$

素因数の和:38834

約数の個数: 32

約数和(自身を含む): 1205280000

約数和(自身を除く): 543989566

約数列:

[1, 2, 7, 14, 23, 46, 53, 106, 161, 322, 371, 742, 1219, 2438, 8533, 17066, 38749, 77498, 271243, 542486, 891227, 1782454, 2053697, 4107394, 6238589, 12477178, 14375879, 28751758, 47235031, 94470062, 330645217, 661290434]

約数ペア:

[(1, 661290434), (2, 330645217), (7, 94470062), (14, 47235031), (23, 28751758), (46, 14375879), (53, 12477178), (106, 6238589), (161, 4107394), (322, 2053697), (371, 1782454), (742, 891227), (1219, 542486), (2438, 271243), (8533, 77498), (17066, 38749)]