131809895

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2243}}^1$

素因数の和:2351

約数の個数: 32

約数和(自身を含む): 191296512

約数和(自身を除く): 59486617

約数列:

[1, 5, 7, 23, 35, 73, 115, 161, 365, 511, 805, 1679, 2243, 2555, 8395, 11215, 11753, 15701, 51589, 58765, 78505, 163739, 257945, 361123, 818695, 1146173, 1805615, 3765997, 5730865, 18829985, 26361979, 131809895]

約数ペア:

[(1, 131809895), (5, 26361979), (7, 18829985), (23, 5730865), (35, 3765997), (73, 1805615), (115, 1146173), (161, 818695), (365, 361123), (511, 257945), (805, 163739), (1679, 78505), (2243, 58765), (2555, 51589), (8395, 15701), (11215, 11753)]