81602416

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1302

約数の個数: 80

約数和(自身を含む): 196495360

約数和(自身を除く): 114892944

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1237, 1736, 2128, 2356, 2474, 3472, 4123, 4712, 4948, 8246, 8659, 9424, 9896, 16492, 17318, 19792, 23503, 32984, 34636, 38347, 47006, 65968, 69272, 76694, 94012, 138544, 153388, 164521, 188024, 268429, 306776, 329042, 376048, 536858, 613552, 658084, 728593, 1073716, 1316168, 1457186, 2147432, 2632336, 2914372, 4294864, 5100151, 5828744, 10200302, 11657488, 20400604, 40801208, 81602416]

約数ペア:

[(1, 81602416), (2, 40801208), (4, 20400604), (7, 11657488), (8, 10200302), (14, 5828744), (16, 5100151), (19, 4294864), (28, 2914372), (31, 2632336), (38, 2147432), (56, 1457186), (62, 1316168), (76, 1073716), (112, 728593), (124, 658084), (133, 613552), (152, 536858), (217, 376048), (248, 329042), (266, 306776), (304, 268429), (434, 188024), (496, 164521), (532, 153388), (589, 138544), (868, 94012), (1064, 76694), (1178, 69272), (1237, 65968), (1736, 47006), (2128, 38347), (2356, 34636), (2474, 32984), (3472, 23503), (4123, 19792), (4712, 17318), (4948, 16492), (8246, 9896), (8659, 9424)]