261226730

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{491}}^1\times {\mathrm{641}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 477586368

約数和(自身を除く): 216359638

約数列:

[1, 2, 5, 10, 83, 166, 415, 491, 641, 830, 982, 1282, 2455, 3205, 4910, 6410, 40753, 53203, 81506, 106406, 203765, 266015, 314731, 407530, 532030, 629462, 1573655, 3147310, 26122673, 52245346, 130613365, 261226730]

約数ペア:

[(1, 261226730), (2, 130613365), (5, 52245346), (10, 26122673), (83, 3147310), (166, 1573655), (415, 629462), (491, 532030), (641, 407530), (830, 314731), (982, 266015), (1282, 203765), (2455, 106406), (3205, 81506), (4910, 53203), (6410, 40753)]