77128884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{727}}^1$

素因数の和:1165

約数の個数: 72

約数和(自身を含む): 223653248

約数和(自身を除く): 146524364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 421, 727, 842, 1263, 1454, 1684, 2181, 2526, 2908, 2947, 3789, 4362, 5052, 5089, 5894, 6543, 7578, 8724, 8841, 10178, 11788, 13086, 15156, 15267, 17682, 20356, 26172, 26523, 30534, 35364, 45801, 53046, 61068, 91602, 106092, 183204, 306067, 612134, 918201, 1224268, 1836402, 2142469, 2754603, 3672804, 4284938, 5509206, 6427407, 8569876, 11018412, 12854814, 19282221, 25709628, 38564442, 77128884]

約数ペア:

[(1, 77128884), (2, 38564442), (3, 25709628), (4, 19282221), (6, 12854814), (7, 11018412), (9, 8569876), (12, 6427407), (14, 5509206), (18, 4284938), (21, 3672804), (28, 2754603), (36, 2142469), (42, 1836402), (63, 1224268), (84, 918201), (126, 612134), (252, 306067), (421, 183204), (727, 106092), (842, 91602), (1263, 61068), (1454, 53046), (1684, 45801), (2181, 35364), (2526, 30534), (2908, 26523), (2947, 26172), (3789, 20356), (4362, 17682), (5052, 15267), (5089, 15156), (5894, 13086), (6543, 11788), (7578, 10178), (8724, 8841)]