61978930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{971}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 120512448

約数和(自身を除く): 58533518

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 491, 971, 982, 1942, 2455, 4855, 4910, 6383, 9710, 12623, 12766, 25246, 31915, 63115, 63830, 126230, 476761, 953522, 2383805, 4767610, 6197893, 12395786, 30989465, 61978930]

約数ペア:

[(1, 61978930), (2, 30989465), (5, 12395786), (10, 6197893), (13, 4767610), (26, 2383805), (65, 953522), (130, 476761), (491, 126230), (971, 63830), (982, 63115), (1942, 31915), (2455, 25246), (4855, 12766), (4910, 12623), (6383, 9710)]