81050276

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 157603698

約数和(自身を除く): 76553422

約数列:

[1, 2, 4, 19, 37, 38, 41, 74, 76, 82, 148, 164, 361, 703, 722, 779, 1369, 1406, 1444, 1517, 1558, 2738, 2812, 3034, 3116, 5476, 6068, 13357, 14801, 26011, 26714, 28823, 29602, 52022, 53428, 56129, 57646, 59204, 104044, 112258, 115292, 224516, 494209, 547637, 988418, 1066451, 1095274, 1976836, 2132902, 2190548, 4265804, 20262569, 40525138, 81050276]

約数ペア:

[(1, 81050276), (2, 40525138), (4, 20262569), (19, 4265804), (37, 2190548), (38, 2132902), (41, 1976836), (74, 1095274), (76, 1066451), (82, 988418), (148, 547637), (164, 494209), (361, 224516), (703, 115292), (722, 112258), (779, 104044), (1369, 59204), (1406, 57646), (1444, 56129), (1517, 53428), (1558, 52022), (2738, 29602), (2812, 28823), (3034, 26714), (3116, 26011), (5476, 14801), (6068, 13357)]