291489432

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21727}}^1$

素因数の和:21792

約数の個数: 64

約数和(自身を含む): 803066880

約数和(自身を除く): 511577448

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 3354, 4472, 6708, 13416, 21727, 43454, 65181, 86908, 130362, 173816, 260724, 282451, 521448, 564902, 847353, 934261, 1129804, 1694706, 1868522, 2259608, 2802783, 3389412, 3737044, 5605566, 6778824, 7474088, 11211132, 12145393, 22422264, 24290786, 36436179, 48581572, 72872358, 97163144, 145744716, 291489432]

約数ペア:

[(1, 291489432), (2, 145744716), (3, 97163144), (4, 72872358), (6, 48581572), (8, 36436179), (12, 24290786), (13, 22422264), (24, 12145393), (26, 11211132), (39, 7474088), (43, 6778824), (52, 5605566), (78, 3737044), (86, 3389412), (104, 2802783), (129, 2259608), (156, 1868522), (172, 1694706), (258, 1129804), (312, 934261), (344, 847353), (516, 564902), (559, 521448), (1032, 282451), (1118, 260724), (1677, 173816), (2236, 130362), (3354, 86908), (4472, 65181), (6708, 43454), (13416, 21727)]