81198796

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 169093120

約数和(自身を除く): 87894324

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 139, 217, 278, 434, 556, 673, 868, 973, 1346, 1946, 2692, 3892, 4309, 4711, 8618, 9422, 17236, 18844, 20863, 30163, 41726, 60326, 83452, 93547, 120652, 146041, 187094, 292082, 374188, 584164, 654829, 1309658, 2619316, 2899957, 5799914, 11599828, 20299699, 40599398, 81198796]

約数ペア:

[(1, 81198796), (2, 40599398), (4, 20299699), (7, 11599828), (14, 5799914), (28, 2899957), (31, 2619316), (62, 1309658), (124, 654829), (139, 584164), (217, 374188), (278, 292082), (434, 187094), (556, 146041), (673, 120652), (868, 93547), (973, 83452), (1346, 60326), (1946, 41726), (2692, 30163), (3892, 20863), (4309, 18844), (4711, 17236), (8618, 9422)]