83940784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{659}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 171864000

約数和(自身を除く): 87923216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 419, 659, 838, 1318, 1676, 2636, 3352, 5272, 6704, 7961, 10544, 12521, 15922, 25042, 31844, 50084, 63688, 100168, 127376, 200336, 276121, 552242, 1104484, 2208968, 4417936, 5246299, 10492598, 20985196, 41970392, 83940784]

約数ペア:

[(1, 83940784), (2, 41970392), (4, 20985196), (8, 10492598), (16, 5246299), (19, 4417936), (38, 2208968), (76, 1104484), (152, 552242), (304, 276121), (419, 200336), (659, 127376), (838, 100168), (1318, 63688), (1676, 50084), (2636, 31844), (3352, 25042), (5272, 15922), (6704, 12521), (7961, 10544)]