81439932

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{11681}}^1$

素因数の和:11778

約数の個数: 48

約数和(自身を含む): 219808512

約数和(自身を除く): 138368580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 83, 84, 166, 249, 332, 498, 581, 996, 1162, 1743, 2324, 3486, 6972, 11681, 23362, 35043, 46724, 70086, 81767, 140172, 163534, 245301, 327068, 490602, 969523, 981204, 1939046, 2908569, 3878092, 5817138, 6786661, 11634276, 13573322, 20359983, 27146644, 40719966, 81439932]

約数ペア:

[(1, 81439932), (2, 40719966), (3, 27146644), (4, 20359983), (6, 13573322), (7, 11634276), (12, 6786661), (14, 5817138), (21, 3878092), (28, 2908569), (42, 1939046), (83, 981204), (84, 969523), (166, 490602), (249, 327068), (332, 245301), (498, 163534), (581, 140172), (996, 81767), (1162, 70086), (1743, 46724), (2324, 35043), (3486, 23362), (6972, 11681)]