77211691010

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{2798539}}^1$

素因数の和:2798666

約数の個数: 32

約数和(自身を含む): 145076313600

約数和(自身を除く): 67864622590

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5518, 13795, 27590, 2798539, 5597078, 13992695, 27985390, 86754709, 173509418, 249069971, 433773545, 498139942, 867547090, 1245349855, 2490699710, 7721169101, 15442338202, 38605845505, 77211691010]

約数ペア:

[(1, 77211691010), (2, 38605845505), (5, 15442338202), (10, 7721169101), (31, 2490699710), (62, 1245349855), (89, 867547090), (155, 498139942), (178, 433773545), (310, 249069971), (445, 173509418), (890, 86754709), (2759, 27985390), (5518, 13992695), (13795, 5597078), (27590, 2798539)]