215580728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{1109}}^1$

素因数の和:1220

約数の個数: 48

約数和(自身を含む): 450948600

約数和(自身を除く): 235367872

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 1109, 2068, 2209, 2218, 4136, 4418, 4436, 8836, 8872, 12199, 17672, 24299, 24398, 48598, 48796, 52123, 97196, 97592, 104246, 194392, 208492, 416984, 573353, 1146706, 2293412, 2449781, 4586824, 4899562, 9799124, 19598248, 26947591, 53895182, 107790364, 215580728]

約数ペア:

[(1, 215580728), (2, 107790364), (4, 53895182), (8, 26947591), (11, 19598248), (22, 9799124), (44, 4899562), (47, 4586824), (88, 2449781), (94, 2293412), (188, 1146706), (376, 573353), (517, 416984), (1034, 208492), (1109, 194392), (2068, 104246), (2209, 97592), (2218, 97196), (4136, 52123), (4418, 48796), (4436, 48598), (8836, 24398), (8872, 24299), (12199, 17672)]