81170892

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2979

約数の個数: 72

約数和(自身を含む): 227066112

約数和(自身を除く): 145895220

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 781, 852, 1278, 1562, 2343, 2556, 2887, 3124, 4686, 5774, 7029, 8661, 9372, 11548, 14058, 17322, 25983, 28116, 31757, 34644, 51966, 63514, 95271, 103932, 127028, 190542, 204977, 285813, 381084, 409954, 571626, 614931, 819908, 1143252, 1229862, 1844793, 2254747, 2459724, 3689586, 4509494, 6764241, 7379172, 9018988, 13528482, 20292723, 27056964, 40585446, 81170892]

約数ペア:

[(1, 81170892), (2, 40585446), (3, 27056964), (4, 20292723), (6, 13528482), (9, 9018988), (11, 7379172), (12, 6764241), (18, 4509494), (22, 3689586), (33, 2459724), (36, 2254747), (44, 1844793), (66, 1229862), (71, 1143252), (99, 819908), (132, 614931), (142, 571626), (198, 409954), (213, 381084), (284, 285813), (396, 204977), (426, 190542), (639, 127028), (781, 103932), (852, 95271), (1278, 63514), (1562, 51966), (2343, 34644), (2556, 31757), (2887, 28116), (3124, 25983), (4686, 17322), (5774, 14058), (7029, 11548), (8661, 9372)]