90389908

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{20051}}^1$

素因数の和:20092

約数の個数: 36

約数和(自身を含む): 192017952

約数和(自身を除く): 101628044

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4508, 20051, 40102, 80204, 140357, 280714, 461173, 561428, 922346, 982499, 1844692, 1964998, 3228211, 3929996, 6456422, 12912844, 22597477, 45194954, 90389908]

約数ペア:

[(1, 90389908), (2, 45194954), (4, 22597477), (7, 12912844), (14, 6456422), (23, 3929996), (28, 3228211), (46, 1964998), (49, 1844692), (92, 982499), (98, 922346), (161, 561428), (196, 461173), (322, 280714), (644, 140357), (1127, 80204), (2254, 40102), (4508, 20051)]