28788886

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{373}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 51163200

約数和(自身を除く): 22374314

約数列:

[1, 2, 7, 14, 37, 74, 149, 259, 298, 373, 518, 746, 1043, 2086, 2611, 5222, 5513, 11026, 13801, 27602, 38591, 55577, 77182, 96607, 111154, 193214, 389039, 778078, 2056349, 4112698, 14394443, 28788886]

約数ペア:

[(1, 28788886), (2, 14394443), (7, 4112698), (14, 2056349), (37, 778078), (74, 389039), (149, 193214), (259, 111154), (298, 96607), (373, 77182), (518, 55577), (746, 38591), (1043, 27602), (2086, 13801), (2611, 11026), (5222, 5513)]