258543906

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:695

約数の個数: 64

約数和(自身を含む): 566784000

約数和(自身を除く): 308240094

約数列:

[1, 2, 3, 6, 19, 31, 38, 57, 62, 93, 114, 149, 186, 298, 447, 491, 589, 894, 982, 1178, 1473, 1767, 2831, 2946, 3534, 4619, 5662, 8493, 9238, 9329, 13857, 15221, 16986, 18658, 27714, 27987, 30442, 45663, 55974, 73159, 87761, 91326, 146318, 175522, 219477, 263283, 289199, 438954, 526566, 578398, 867597, 1390021, 1735194, 2267929, 2780042, 4170063, 4535858, 6803787, 8340126, 13607574, 43090651, 86181302, 129271953, 258543906]

約数ペア:

[(1, 258543906), (2, 129271953), (3, 86181302), (6, 43090651), (19, 13607574), (31, 8340126), (38, 6803787), (57, 4535858), (62, 4170063), (93, 2780042), (114, 2267929), (149, 1735194), (186, 1390021), (298, 867597), (447, 578398), (491, 526566), (589, 438954), (894, 289199), (982, 263283), (1178, 219477), (1473, 175522), (1767, 146318), (2831, 91326), (2946, 87761), (3534, 73159), (4619, 55974), (5662, 45663), (8493, 30442), (9238, 27987), (9329, 27714), (13857, 18658), (15221, 16986)]