215452624

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2131}}^1$

素因数の和:2299

約数の個数: 40

約数和(自身を含む): 428276160

約数和(自身を除く): 212823536

約数列:

[1, 2, 4, 8, 16, 71, 89, 142, 178, 284, 356, 568, 712, 1136, 1424, 2131, 4262, 6319, 8524, 12638, 17048, 25276, 34096, 50552, 101104, 151301, 189659, 302602, 379318, 605204, 758636, 1210408, 1517272, 2420816, 3034544, 13465789, 26931578, 53863156, 107726312, 215452624]

約数ペア:

[(1, 215452624), (2, 107726312), (4, 53863156), (8, 26931578), (16, 13465789), (71, 3034544), (89, 2420816), (142, 1517272), (178, 1210408), (284, 758636), (356, 605204), (568, 379318), (712, 302602), (1136, 189659), (1424, 151301), (2131, 101104), (4262, 50552), (6319, 34096), (8524, 25276), (12638, 17048)]