81411446452

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{621139}}^1$

素因数の和:621332

約数の個数: 48

約数和(自身を含む): 169188597760

約数和(自身を除く): 87777151308

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 151, 217, 302, 434, 604, 868, 1057, 2114, 4228, 4681, 9362, 18724, 32767, 65534, 131068, 621139, 1242278, 2484556, 4347973, 8695946, 17391892, 19255309, 38510618, 77021236, 93791989, 134787163, 187583978, 269574326, 375167956, 539148652, 656543923, 1313087846, 2626175692, 2907551659, 5815103318, 11630206636, 20352861613, 40705723226, 81411446452]

約数ペア:

[(1, 81411446452), (2, 40705723226), (4, 20352861613), (7, 11630206636), (14, 5815103318), (28, 2907551659), (31, 2626175692), (62, 1313087846), (124, 656543923), (151, 539148652), (217, 375167956), (302, 269574326), (434, 187583978), (604, 134787163), (868, 93791989), (1057, 77021236), (2114, 38510618), (4228, 19255309), (4681, 17391892), (9362, 8695946), (18724, 4347973), (32767, 2484556), (65534, 1242278), (131068, 621139)]