221036728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{132199}}^1$

素因数の和:132235

約数の個数: 32

約数和(自身を含む): 475920000

約数和(自身を除く): 254883272

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 132199, 264398, 528796, 1057592, 1454189, 2511781, 2908378, 5023562, 5816756, 10047124, 11633512, 20094248, 27629591, 55259182, 110518364, 221036728]

約数ペア:

[(1, 221036728), (2, 110518364), (4, 55259182), (8, 27629591), (11, 20094248), (19, 11633512), (22, 10047124), (38, 5816756), (44, 5023562), (76, 2908378), (88, 2511781), (152, 1454189), (209, 1057592), (418, 528796), (836, 264398), (1672, 132199)]