78604778

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1303}}^1$

素因数の和:1482

約数の個数: 32

約数和(自身を含む): 140206080

約数和(自身を除く): 61601302

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 973, 1303, 1946, 2606, 4309, 8618, 9121, 18242, 30163, 40393, 60326, 80786, 181117, 282751, 362234, 565502, 1267819, 2535638, 5614627, 11229254, 39302389, 78604778]

約数ペア:

[(1, 78604778), (2, 39302389), (7, 11229254), (14, 5614627), (31, 2535638), (62, 1267819), (139, 565502), (217, 362234), (278, 282751), (434, 181117), (973, 80786), (1303, 60326), (1946, 40393), (2606, 30163), (4309, 18242), (8618, 9121)]